2 * drivers/video/rockchip/rk_fb.c
4 * Copyright (C) ROCKCHIP, Inc.
5 * Author:yxj<yxj@rock-chips.com>
6 * This software is licensed under the terms of the GNU General Public
7 * License version 2, as published by the Free Software Foundation, and
8 * may be copied, distributed, and modified under those terms.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
16 #include <linux/module.h>
17 #include <linux/kernel.h>
18 #include <linux/errno.h>
19 #include <linux/string.h>
21 #include <linux/slab.h>
22 #include <linux/delay.h>
23 #include <linux/device.h>
24 #include <linux/kthread.h>
26 #include <linux/init.h>
27 #include <linux/vmalloc.h>
28 #include <asm/div64.h>
29 #include <linux/uaccess.h>
30 #include <linux/rk_fb.h>
31 #include <linux/linux_logo.h>
32 #include <linux/dma-mapping.h>
33 #include <linux/regulator/consumer.h>
35 #include "bmp_helper.h"
37 #if defined(CONFIG_RK_HDMI)
38 #include "hdmi/rockchip-hdmi.h"
41 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
47 #include <linux/of_platform.h>
48 #include <linux/of_gpio.h>
49 #include <video/of_display_timing.h>
50 #include <video/display_timing.h>
53 #if defined(CONFIG_ION_ROCKCHIP)
54 #include <linux/rockchip_ion.h>
55 #include <linux/rockchip-iovmm.h>
56 #include <linux/dma-buf.h>
57 #include <linux/highmem.h>
61 /* #define FB_ROATE_BY_KERNEL 1 */
63 static int hdmi_switch_state;
64 static struct platform_device *fb_pdev;
66 #if defined(CONFIG_FB_MIRRORING)
67 int (*video_data_to_mirroring)(struct fb_info *info, u32 yuv_phy[2]);
68 EXPORT_SYMBOL(video_data_to_mirroring);
71 extern phys_addr_t uboot_logo_base;
72 extern phys_addr_t uboot_logo_size;
73 extern phys_addr_t uboot_logo_offset;
74 static struct rk_fb_trsm_ops *trsm_lvds_ops;
75 static struct rk_fb_trsm_ops *trsm_edp_ops;
76 static struct rk_fb_trsm_ops *trsm_mipi_ops;
77 static int uboot_logo_on;
79 static int rk_fb_debug_lvl;
80 static int rk_fb_iommu_debug;
81 module_param(rk_fb_debug_lvl, int, S_IRUGO | S_IWUSR);
82 module_param(rk_fb_iommu_debug, int, S_IRUGO | S_IWUSR);
84 #define rk_fb_dbg(level, x...) do { \
85 if (unlikely(rk_fb_debug_lvl >= level)) \
88 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
89 struct rk_fb_win_cfg_data *win_data,
90 struct rk_fb_reg_data *regs, u32 cmd);
91 int support_uboot_display(void)
96 int rk_fb_get_display_policy(void)
101 rk_fb = platform_get_drvdata(fb_pdev);
102 return rk_fb->disp_policy;
104 return DISPLAY_POLICY_SDK;
108 int rk_fb_trsm_ops_register(struct rk_fb_trsm_ops *ops, int type)
113 case SCREEN_DUAL_LVDS:
114 case SCREEN_LVDS_10BIT:
115 case SCREEN_DUAL_LVDS_10BIT:
122 case SCREEN_DUAL_MIPI:
126 pr_warn("%s: unsupported transmitter: %d!\n",
133 struct rk_fb_trsm_ops *rk_fb_trsm_ops_get(int type)
135 struct rk_fb_trsm_ops *ops;
140 case SCREEN_DUAL_LVDS:
141 case SCREEN_LVDS_10BIT:
142 case SCREEN_DUAL_LVDS_10BIT:
149 case SCREEN_DUAL_MIPI:
154 pr_warn("%s: unsupported transmitter: %d!\n",
161 int rk_fb_pixel_width(int data_format)
165 switch (data_format) {
202 pr_warn("%s: unsupported format: 0x%x\n",
203 __func__, data_format);
209 static int rk_fb_data_fmt(int data_format, int bits_per_pixel)
214 switch (data_format) {
215 case HAL_PIXEL_FORMAT_RGBX_8888:
216 fb_data_fmt = XBGR888;
218 case HAL_PIXEL_FORMAT_BGRX_8888:
219 fb_data_fmt = XRGB888;
221 case HAL_PIXEL_FORMAT_RGBA_8888:
222 fb_data_fmt = ABGR888;
224 case HAL_PIXEL_FORMAT_BGRA_8888:
225 fb_data_fmt = ARGB888;
227 case HAL_PIXEL_FORMAT_RGB_888:
228 fb_data_fmt = RGB888;
230 case HAL_PIXEL_FORMAT_BGR_888:
231 fb_data_fmt = BGR888;
233 case HAL_PIXEL_FORMAT_RGB_565:
234 fb_data_fmt = RGB565;
236 case HAL_PIXEL_FORMAT_BGR_565:
237 fb_data_fmt = BGR565;
239 case HAL_PIXEL_FORMAT_YCbCr_422_SP: /* yuv422 */
240 fb_data_fmt = YUV422;
242 case HAL_PIXEL_FORMAT_YCrCb_420_SP: /* YUV420---vuvuvu */
243 fb_data_fmt = YUV420_NV21;
245 case HAL_PIXEL_FORMAT_YCrCb_NV12: /* YUV420---uvuvuv */
246 fb_data_fmt = YUV420;
248 case HAL_PIXEL_FORMAT_YCrCb_444: /* yuv444 */
249 fb_data_fmt = YUV444;
251 case HAL_PIXEL_FORMAT_YCrCb_NV12_10: /* yuv444 */
252 fb_data_fmt = YUV420_A;
254 case HAL_PIXEL_FORMAT_YCbCr_422_SP_10: /* yuv444 */
255 fb_data_fmt = YUV422_A;
257 case HAL_PIXEL_FORMAT_YCrCb_444_SP_10: /* yuv444 */
258 fb_data_fmt = YUV444_A;
260 case HAL_PIXEL_FORMAT_FBDC_RGB565: /* fbdc rgb565*/
261 fb_data_fmt = FBDC_RGB_565;
263 case HAL_PIXEL_FORMAT_FBDC_U8U8U8U8: /* fbdc argb888 */
264 fb_data_fmt = FBDC_ARGB_888;
266 case HAL_PIXEL_FORMAT_FBDC_RGBA888: /* fbdc abgr888 */
267 fb_data_fmt = FBDC_ABGR_888;
269 case HAL_PIXEL_FORMAT_FBDC_U8U8U8: /* fbdc rgb888 */
270 fb_data_fmt = FBDC_RGBX_888;
272 case HAL_PIXEL_FORMAT_YUYV422: /* yuyv422 */
273 fb_data_fmt = YUYV422;
275 case HAL_PIXEL_FORMAT_YUYV420: /* yuyv420 */
276 fb_data_fmt = YUYV420;
278 case HAL_PIXEL_FORMAT_UYVY422: /* uyvy422 */
279 fb_data_fmt = UYVY422;
281 case HAL_PIXEL_FORMAT_UYVY420: /* uyvy420 */
282 fb_data_fmt = UYVY420;
285 pr_warn("%s: unsupported format: 0x%x\n",
286 __func__, data_format);
290 switch (bits_per_pixel) {
292 fb_data_fmt = ARGB888;
295 fb_data_fmt = RGB888;
298 fb_data_fmt = RGB565;
301 pr_warn("%s: unsupported bits_per_pixel: %d\n",
302 __func__, bits_per_pixel);
310 * rk display power control parse from dts
312 int rk_disp_pwr_ctr_parse_dt(struct rk_lcdc_driver *dev_drv)
314 struct device_node *root = of_get_child_by_name(dev_drv->dev->of_node,
316 struct device_node *child;
317 struct rk_disp_pwr_ctr_list *pwr_ctr;
318 struct list_head *pos;
319 enum of_gpio_flags flags;
324 INIT_LIST_HEAD(&dev_drv->pwrlist_head);
326 dev_err(dev_drv->dev, "can't find power_ctr node for lcdc%d\n",
331 for_each_child_of_node(root, child) {
332 pwr_ctr = kmalloc(sizeof(struct rk_disp_pwr_ctr_list),
334 strcpy(pwr_ctr->pwr_ctr.name, child->name);
335 if (!of_property_read_u32(child, "rockchip,power_type", &val)) {
337 pwr_ctr->pwr_ctr.type = GPIO;
338 pwr_ctr->pwr_ctr.gpio = of_get_gpio_flags(child, 0, &flags);
339 if (!gpio_is_valid(pwr_ctr->pwr_ctr.gpio)) {
340 dev_err(dev_drv->dev, "%s ivalid gpio\n",
344 pwr_ctr->pwr_ctr.atv_val = !(flags & OF_GPIO_ACTIVE_LOW);
345 ret = gpio_request(pwr_ctr->pwr_ctr.gpio,
348 dev_err(dev_drv->dev,
349 "request %s gpio fail:%d\n",
354 pwr_ctr->pwr_ctr.type = REGULATOR;
355 pwr_ctr->pwr_ctr.rgl_name = NULL;
356 ret = of_property_read_string(child, "rockchip,regulator_name",
357 &(pwr_ctr->pwr_ctr.rgl_name));
358 if (ret || IS_ERR_OR_NULL(pwr_ctr->pwr_ctr.rgl_name))
359 dev_err(dev_drv->dev, "get regulator name failed!\n");
360 if (!of_property_read_u32(child, "rockchip,regulator_voltage", &val))
361 pwr_ctr->pwr_ctr.volt = val;
363 pwr_ctr->pwr_ctr.volt = 0;
367 if (!of_property_read_u32(child, "rockchip,delay", &val))
368 pwr_ctr->pwr_ctr.delay = val;
370 pwr_ctr->pwr_ctr.delay = 0;
371 list_add_tail(&pwr_ctr->list, &dev_drv->pwrlist_head);
374 of_property_read_u32(root, "rockchip,debug", &debug);
377 list_for_each(pos, &dev_drv->pwrlist_head) {
378 pwr_ctr = list_entry(pos, struct rk_disp_pwr_ctr_list,
380 pr_info("pwr_ctr_name:%s\n"
385 pwr_ctr->pwr_ctr.name,
386 (pwr_ctr->pwr_ctr.type == GPIO) ? "gpio" : "regulator",
387 pwr_ctr->pwr_ctr.gpio,
388 pwr_ctr->pwr_ctr.atv_val,
389 pwr_ctr->pwr_ctr.delay);
396 int rk_disp_pwr_enable(struct rk_lcdc_driver *dev_drv)
398 struct list_head *pos;
399 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
400 struct pwr_ctr *pwr_ctr;
401 struct regulator *regulator_lcd = NULL;
404 if (list_empty(&dev_drv->pwrlist_head))
406 list_for_each(pos, &dev_drv->pwrlist_head) {
407 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
409 pwr_ctr = &pwr_ctr_list->pwr_ctr;
410 if (pwr_ctr->type == GPIO) {
411 gpio_direction_output(pwr_ctr->gpio, pwr_ctr->atv_val);
412 mdelay(pwr_ctr->delay);
413 } else if (pwr_ctr->type == REGULATOR) {
414 if (pwr_ctr->rgl_name)
416 regulator_get(NULL, pwr_ctr->rgl_name);
417 if (regulator_lcd == NULL) {
418 dev_err(dev_drv->dev,
419 "%s: regulator get failed,regulator name:%s\n",
420 __func__, pwr_ctr->rgl_name);
423 regulator_set_voltage(regulator_lcd, pwr_ctr->volt, pwr_ctr->volt);
424 while (!regulator_is_enabled(regulator_lcd)) {
425 if (regulator_enable(regulator_lcd) == 0 || count == 0)
428 dev_err(dev_drv->dev,
429 "regulator_enable failed,count=%d\n",
433 regulator_put(regulator_lcd);
434 msleep(pwr_ctr->delay);
441 int rk_disp_pwr_disable(struct rk_lcdc_driver *dev_drv)
443 struct list_head *pos;
444 struct rk_disp_pwr_ctr_list *pwr_ctr_list;
445 struct pwr_ctr *pwr_ctr;
446 struct regulator *regulator_lcd = NULL;
449 if (list_empty(&dev_drv->pwrlist_head))
451 list_for_each(pos, &dev_drv->pwrlist_head) {
452 pwr_ctr_list = list_entry(pos, struct rk_disp_pwr_ctr_list,
454 pwr_ctr = &pwr_ctr_list->pwr_ctr;
455 if (pwr_ctr->type == GPIO) {
456 gpio_set_value(pwr_ctr->gpio, !pwr_ctr->atv_val);
457 } else if (pwr_ctr->type == REGULATOR) {
458 if (pwr_ctr->rgl_name)
459 regulator_lcd = regulator_get(NULL, pwr_ctr->rgl_name);
460 if (regulator_lcd == NULL) {
461 dev_err(dev_drv->dev,
462 "%s: regulator get failed,regulator name:%s\n",
463 __func__, pwr_ctr->rgl_name);
466 while (regulator_is_enabled(regulator_lcd) > 0) {
467 if (regulator_disable(regulator_lcd) == 0 ||
471 dev_err(dev_drv->dev,
472 "regulator_disable failed,count=%d\n",
476 regulator_put(regulator_lcd);
482 int rk_fb_video_mode_from_timing(const struct display_timing *dt,
483 struct rk_screen *screen)
485 screen->mode.pixclock = dt->pixelclock.typ;
486 screen->mode.left_margin = dt->hback_porch.typ;
487 screen->mode.right_margin = dt->hfront_porch.typ;
488 screen->mode.xres = dt->hactive.typ;
489 screen->mode.hsync_len = dt->hsync_len.typ;
490 screen->mode.upper_margin = dt->vback_porch.typ;
491 screen->mode.lower_margin = dt->vfront_porch.typ;
492 screen->mode.yres = dt->vactive.typ;
493 screen->mode.vsync_len = dt->vsync_len.typ;
494 screen->type = dt->screen_type;
495 screen->lvds_format = dt->lvds_format;
496 screen->face = dt->face;
497 screen->color_mode = dt->color_mode;
498 screen->width = dt->screen_widt;
499 screen->height = dt->screen_hight;
500 screen->dsp_lut = dt->dsp_lut;
501 screen->cabc_lut = dt->cabc_lut;
502 screen->cabc_gamma_base = dt->cabc_gamma_base;
504 if (dt->flags & DISPLAY_FLAGS_INTERLACED)
505 screen->mode.vmode |= FB_VMODE_INTERLACED;
506 if (dt->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
507 screen->pin_dclk = 1;
509 screen->pin_dclk = 0;
510 if (dt->flags & DISPLAY_FLAGS_HSYNC_HIGH)
511 screen->pin_hsync = 1;
513 screen->pin_hsync = 0;
514 if (dt->flags & DISPLAY_FLAGS_VSYNC_HIGH)
515 screen->pin_vsync = 1;
517 screen->pin_vsync = 0;
518 if (dt->flags & DISPLAY_FLAGS_DE_HIGH)
526 int rk_fb_prase_timing_dt(struct device_node *np, struct rk_screen *screen)
528 struct display_timings *disp_timing;
529 struct display_timing *dt;
531 disp_timing = of_get_display_timings(np);
533 pr_err("parse display timing err\n");
536 dt = display_timings_get(disp_timing, disp_timing->native_mode);
537 rk_fb_video_mode_from_timing(dt, screen);
542 int rk_fb_calc_fps(struct rk_screen *screen, u32 pixclock)
545 unsigned long long hz;
548 pr_err("%s:null screen!\n", __func__);
551 x = screen->mode.xres + screen->mode.left_margin +
552 screen->mode.right_margin + screen->mode.hsync_len;
553 y = screen->mode.yres + screen->mode.upper_margin +
554 screen->mode.lower_margin + screen->mode.vsync_len;
556 hz = 1000000000000ULL; /* 1e12 picoseconds per second */
559 do_div(hz, x * y); /* divide by x * y with rounding */
562 do_div(hz, pixclock); /* divide by pixclock with rounding */
567 char *get_format_string(enum data_format format, char *fmt)
573 strcpy(fmt, "ARGB888");
576 strcpy(fmt, "RGB888");
579 strcpy(fmt, "BGR888");
582 strcpy(fmt, "RGB565");
585 strcpy(fmt, "BGR565");
589 strcpy(fmt, "YUV420");
592 strcpy(fmt, "YUV422");
595 strcpy(fmt, "YUV444");
598 strcpy(fmt, "YUV420_A");
601 strcpy(fmt, "YUV422_A");
604 strcpy(fmt, "YUV444_A");
607 strcpy(fmt, "XRGB888");
610 strcpy(fmt, "XBGR888");
613 strcpy(fmt, "ABGR888");
616 strcpy(fmt, "FBDC_RGB_565");
620 strcpy(fmt, "FBDC_ARGB_888");
623 strcpy(fmt, "FBDC_RGBX_888");
626 strcpy(fmt, "YUYV422");
629 strcpy(fmt, "YUYV420");
632 strcpy(fmt, "UYVY422");
635 strcpy(fmt, "UYVY420");
638 strcpy(fmt, "invalid");
647 * name: lcdc device name ,lcdc0 , lcdc1
649 struct rk_lcdc_driver *rk_get_lcdc_drv(char *name)
651 struct rk_fb *inf = NULL;
652 struct rk_lcdc_driver *dev_drv = NULL;
656 inf = platform_get_drvdata(fb_pdev);
660 for (i = 0; i < inf->num_lcdc; i++) {
661 if (!strcmp(inf->lcdc_dev_drv[i]->name, name)) {
662 dev_drv = inf->lcdc_dev_drv[i];
670 static struct rk_lcdc_driver *rk_get_prmry_lcdc_drv(void)
672 struct rk_fb *inf = NULL;
673 struct rk_lcdc_driver *dev_drv = NULL;
677 inf = platform_get_drvdata(fb_pdev);
681 for (i = 0; i < inf->num_lcdc; i++) {
682 if (inf->lcdc_dev_drv[i]->prop == PRMRY) {
683 dev_drv = inf->lcdc_dev_drv[i];
691 static __maybe_unused struct rk_lcdc_driver *rk_get_extend_lcdc_drv(void)
693 struct rk_fb *inf = NULL;
694 struct rk_lcdc_driver *dev_drv = NULL;
698 inf = platform_get_drvdata(fb_pdev);
702 for (i = 0; i < inf->num_lcdc; i++) {
703 if (inf->lcdc_dev_drv[i]->prop == EXTEND) {
704 dev_drv = inf->lcdc_dev_drv[i];
713 * get one frame time of the prmry screen, unit: us
715 u32 rk_fb_get_prmry_screen_ft(void)
717 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
718 u32 htotal, vtotal, pixclock_ps;
719 u64 pix_total, ft_us;
721 if (unlikely(!dev_drv))
724 pixclock_ps = dev_drv->pixclock;
726 vtotal = dev_drv->cur_screen->mode.upper_margin +
727 dev_drv->cur_screen->mode.lower_margin +
728 dev_drv->cur_screen->mode.yres +
729 dev_drv->cur_screen->mode.vsync_len;
730 htotal = dev_drv->cur_screen->mode.left_margin +
731 dev_drv->cur_screen->mode.right_margin +
732 dev_drv->cur_screen->mode.xres +
733 dev_drv->cur_screen->mode.hsync_len;
734 pix_total = htotal * vtotal;
735 ft_us = pix_total * pixclock_ps;
736 do_div(ft_us, 1000000);
737 if (dev_drv->frame_time.ft == 0)
738 dev_drv->frame_time.ft = ft_us;
740 ft_us = dev_drv->frame_time.framedone_t - dev_drv->frame_time.last_framedone_t;
742 ft_us = min(dev_drv->frame_time.ft, (u32)ft_us);
744 dev_drv->frame_time.ft = ft_us;
746 return dev_drv->frame_time.ft;
750 * get the vblanking time of the prmry screen, unit: us
752 u32 rk_fb_get_prmry_screen_vbt(void)
754 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
755 u32 htotal, vblank, pixclock_ps;
756 u64 pix_blank, vbt_us;
758 if (unlikely(!dev_drv))
761 pixclock_ps = dev_drv->pixclock;
763 htotal = (dev_drv->cur_screen->mode.left_margin +
764 dev_drv->cur_screen->mode.right_margin +
765 dev_drv->cur_screen->mode.xres +
766 dev_drv->cur_screen->mode.hsync_len);
767 vblank = (dev_drv->cur_screen->mode.upper_margin +
768 dev_drv->cur_screen->mode.lower_margin +
769 dev_drv->cur_screen->mode.vsync_len);
770 pix_blank = htotal * vblank;
771 vbt_us = pix_blank * pixclock_ps;
772 do_div(vbt_us, 1000000);
777 * get the frame done time of the prmry screen, unit: us
779 u64 rk_fb_get_prmry_screen_framedone_t(void)
781 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
783 if (unlikely(!dev_drv))
786 return dev_drv->frame_time.framedone_t;
790 * set prmry screen status
792 int rk_fb_set_prmry_screen_status(int status)
794 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
795 struct rk_screen *screen;
797 if (unlikely(!dev_drv))
800 screen = dev_drv->cur_screen;
802 case SCREEN_PREPARE_DDR_CHANGE:
803 if (screen->type == SCREEN_MIPI ||
804 screen->type == SCREEN_DUAL_MIPI) {
805 if (dev_drv->trsm_ops->dsp_pwr_off)
806 dev_drv->trsm_ops->dsp_pwr_off();
809 case SCREEN_UNPREPARE_DDR_CHANGE:
810 if (screen->type == SCREEN_MIPI ||
811 screen->type == SCREEN_DUAL_MIPI) {
812 if (dev_drv->trsm_ops->dsp_pwr_on)
813 dev_drv->trsm_ops->dsp_pwr_on();
823 u32 rk_fb_get_prmry_screen_pixclock(void)
825 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
827 if (unlikely(!dev_drv))
830 return dev_drv->pixclock;
833 int rk_fb_poll_prmry_screen_vblank(void)
835 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
837 if (likely(dev_drv)) {
838 if (dev_drv->ops->poll_vblank)
839 return dev_drv->ops->poll_vblank(dev_drv);
841 return RK_LF_STATUS_NC;
843 return RK_LF_STATUS_NC;
847 bool rk_fb_poll_wait_frame_complete(void)
849 uint32_t timeout = RK_LF_MAX_TIMEOUT;
850 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
852 if (likely(dev_drv)) {
853 if (dev_drv->ops->set_irq_to_cpu)
854 dev_drv->ops->set_irq_to_cpu(dev_drv, 0);
857 if (rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_NC) {
858 if (likely(dev_drv)) {
859 if (dev_drv->ops->set_irq_to_cpu)
860 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
864 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FR) && --timeout)
866 while (!(rk_fb_poll_prmry_screen_vblank() == RK_LF_STATUS_FC) && --timeout)
868 if (likely(dev_drv)) {
869 if (dev_drv->ops->set_irq_to_cpu)
870 dev_drv->ops->set_irq_to_cpu(dev_drv, 1);
876 /* rk_fb_get_sysmmu_device_by_compatible()
877 * @compt: dts device compatible name
878 * return value: success: pointer to the device inside of platform device
881 struct device *rk_fb_get_sysmmu_device_by_compatible(const char *compt)
883 struct device_node *dn = NULL;
884 struct platform_device *pd = NULL;
885 struct device *ret = NULL ;
887 dn = of_find_compatible_node(NULL, NULL, compt);
889 pr_info("can't find device node %s \r\n", compt);
893 pd = of_find_device_by_node(dn);
895 pr_info("can't find platform device node %s \r\n", compt);
903 #ifdef CONFIG_IOMMU_API
904 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
906 dev->archdata.iommu = sysmmu;
909 void rk_fb_platform_set_sysmmu(struct device *sysmmu, struct device *dev)
914 static int rk_fb_open(struct fb_info *info, int user)
916 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
917 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
920 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
922 /* if this win aready opened ,no need to reopen */
923 if (dev_drv->win[win_id]->state)
926 dev_drv->ops->open(dev_drv, win_id, 1);
930 static int rk_fb_close(struct fb_info *info, int user)
932 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
933 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
934 struct rk_lcdc_win *win = NULL;
935 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
938 win = dev_drv->win[win_id];
941 if (!fb_par->state) {
942 if (fb_par->fb_phy_base > 0)
943 info->fix.smem_start = fb_par->fb_phy_base;
944 info->var.xres = dev_drv->screen0->mode.xres;
945 info->var.yres = dev_drv->screen0->mode.yres;
947 *info->var.grayscale |=
948 * (info->var.xres << 8) + (info->var.yres << 20);
950 info->var.xres_virtual = info->var.xres;
951 info->var.yres_virtual = info->var.yres;
952 #if defined(CONFIG_LOGO_LINUX_BMP)
953 info->var.bits_per_pixel = 32;
955 info->var.bits_per_pixel = 16;
957 info->fix.line_length =
958 (info->var.xres_virtual) *
959 (info->var.bits_per_pixel >> 3);
960 info->var.width = dev_drv->screen0->width;
961 info->var.height = dev_drv->screen0->height;
962 info->var.pixclock = dev_drv->pixclock;
963 info->var.left_margin =
964 dev_drv->screen0->mode.left_margin;
965 info->var.right_margin =
966 dev_drv->screen0->mode.right_margin;
967 info->var.upper_margin =
968 dev_drv->screen0->mode.upper_margin;
969 info->var.lower_margin =
970 dev_drv->screen0->mode.lower_margin;
971 info->var.vsync_len = dev_drv->screen0->mode.vsync_len;
972 info->var.hsync_len = dev_drv->screen0->mode.hsync_len;
979 #if defined(FB_ROATE_BY_KERNEL)
981 #if defined(CONFIG_RK29_IPP)
982 static int get_ipp_format(int fmt)
984 int ipp_fmt = IPP_XRGB_8888;
987 case HAL_PIXEL_FORMAT_RGBX_8888:
988 case HAL_PIXEL_FORMAT_BGRX_8888:
989 case HAL_PIXEL_FORMAT_RGBA_8888:
990 case HAL_PIXEL_FORMAT_BGRA_8888:
991 case HAL_PIXEL_FORMAT_RGB_888:
992 case HAL_PIXEL_FORMAT_BGR_888:
993 ipp_fmt = IPP_XRGB_8888;
995 case HAL_PIXEL_FORMAT_RGB_565:
996 case HAL_PIXEL_FORMAT_BGR_565:
997 ipp_fmt = IPP_RGB_565;
999 case HAL_PIXEL_FORMAT_YCbCr_422_SP:
1000 ipp_fmt = IPP_Y_CBCR_H2V1;
1002 case HAL_PIXEL_FORMAT_YCrCb_NV12:
1003 ipp_fmt = IPP_Y_CBCR_H2V2;
1005 case HAL_PIXEL_FORMAT_YCrCb_444:
1006 ipp_fmt = IPP_Y_CBCR_H1V1;
1009 ipp_fmt = IPP_IMGTYPE_LIMIT;
1016 static void ipp_win_check(int *dst_w, int *dst_h, int *dst_vir_w,
1017 int rotation, int fmt)
1022 if (fmt == IPP_XRGB_8888) {
1025 } else if (fmt == IPP_RGB_565) {
1032 align16 -= 1; /*for YUV, 1 */
1033 align64 -= 1; /*for YUV, 7 */
1035 if (rotation == IPP_ROT_0) {
1036 if (fmt > IPP_RGB_565) {
1037 if ((*dst_w & 1) != 0)
1038 *dst_w = *dst_w + 1;
1039 if ((*dst_h & 1) != 0)
1040 *dst_h = *dst_h + 1;
1041 if (*dst_vir_w < *dst_w)
1042 *dst_vir_w = *dst_w;
1045 if ((*dst_w & align64) != 0)
1046 *dst_w = (*dst_w + align64) & (~align64);
1047 if ((fmt > IPP_RGB_565) && ((*dst_h & 1) == 1))
1048 *dst_h = *dst_h + 1;
1049 if (*dst_vir_w < *dst_w)
1050 *dst_vir_w = *dst_w;
1054 static void fb_copy_by_ipp(struct fb_info *dst_info,
1055 struct fb_info *src_info)
1057 struct rk29_ipp_req ipp_req;
1058 uint32_t rotation = 0;
1059 int dst_w, dst_h, dst_vir_w;
1061 u8 data_format = (dst_info->var.nonstd) & 0xff;
1062 struct rk_fb_par *fb_par = (struct rk_fb_par *)dst_info->par;
1063 struct rk_lcdc_driver *ext_dev_drv = fb_par->lcdc_drv;
1064 u16 orientation = ext_dev_drv->rotate_mode;
1066 memset(&ipp_req, 0, sizeof(struct rk29_ipp_req));
1068 switch (orientation) {
1070 rotation = IPP_ROT_0;
1073 rotation = IPP_ROT_90;
1076 rotation = IPP_ROT_180;
1079 rotation = IPP_ROT_270;
1082 rotation = IPP_ROT_270;
1086 dst_w = dst_info->var.xres;
1087 dst_h = dst_info->var.yres;
1088 dst_vir_w = dst_info->var.xres_virtual;
1089 ipp_fmt = get_ipp_format(data_format);
1090 ipp_win_check(&dst_w, &dst_h, &dst_vir_w, rotation, ipp_fmt);
1091 ipp_req.src0.YrgbMst = src_info->fix.smem_start + offset;
1092 ipp_req.src0.w = src_info->var.xres;
1093 ipp_req.src0.h = src_info->var.yres;
1094 ipp_req.src_vir_w = src_info->var.xres_virtual;
1095 ipp_req.src0.fmt = ipp_fmt;
1097 ipp_req.dst0.YrgbMst = dst_info->fix.smem_start + offset;
1098 ipp_req.dst0.w = dst_w;
1099 ipp_req.dst0.h = dst_h;
1100 ipp_req.dst_vir_w = dst_vir_w;
1101 ipp_req.dst0.fmt = ipp_fmt;
1103 ipp_req.timeout = 100;
1104 ipp_req.flag = rotation;
1105 ipp_blit_sync(&ipp_req);
1110 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1111 static int get_rga_format(int fmt)
1117 rga_fmt = RK_FORMAT_RGBX_8888;
1120 rga_fmt = RK_FORMAT_RGBA_8888;
1123 rga_fmt = RK_FORMAT_BGRA_8888;
1126 rga_fmt = RK_FORMAT_RGB_888;
1129 rga_fmt = RK_FORMAT_RGB_565;
1132 rga_fmt = RK_FORMAT_YCbCr_422_SP;
1135 rga_fmt = RK_FORMAT_YCbCr_420_SP;
1138 rga_fmt = RK_FORMAT_RGBA_8888;
1145 static void rga_win_check(struct rk_lcdc_win *dst_win,
1146 struct rk_lcdc_win *src_win)
1150 format = get_rga_format(src_win->area[0].format);
1151 /* width and height must be even number */
1152 if (format >= RK_FORMAT_YCbCr_422_SP &&
1153 format <= RK_FORMAT_YCrCb_420_P) {
1154 if ((src_win->area[0].xact % 2) != 0)
1155 src_win->area[0].xact += 1;
1156 if ((src_win->area[0].yact % 2) != 0)
1157 src_win->area[0].yact += 1;
1159 if (src_win->area[0].xvir < src_win->area[0].xact)
1160 src_win->area[0].xvir = src_win->area[0].xact;
1161 if (src_win->area[0].yvir < src_win->area[0].yact)
1162 src_win->area[0].yvir = src_win->area[0].yact;
1164 format = get_rga_format(dst_win->area[0].format);
1165 if (format >= RK_FORMAT_YCbCr_422_SP &&
1166 format <= RK_FORMAT_YCrCb_420_P) {
1167 if ((dst_win->area[0].xact % 2) != 0)
1168 dst_win->area[0].xact += 1;
1169 if ((dst_win->area[0].yact % 2) != 0)
1170 dst_win->area[0].yact += 1;
1172 if (dst_win->area[0].xvir < dst_win->area[0].xact)
1173 dst_win->area[0].xvir = dst_win->area[0].xact;
1174 if (dst_win->area[0].yvir < dst_win->area[0].yact)
1175 dst_win->area[0].yvir = dst_win->area[0].yact;
1178 static void win_copy_by_rga(struct rk_lcdc_win *dst_win,
1179 struct rk_lcdc_win *src_win,
1180 u16 orientation, int iommu_en)
1182 struct rga_req rga_request;
1186 memset(&rga_request, 0, sizeof(rga_request));
1187 rga_win_check(dst_win, src_win);
1189 switch (orientation) {
1191 rga_request.rotate_mode = 1;
1192 rga_request.sina = 65536;
1193 rga_request.cosa = 0;
1194 rga_request.dst.act_w = dst_win->area[0].yact;
1195 rga_request.dst.act_h = dst_win->area[0].xact;
1196 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1197 rga_request.dst.y_offset = 0;
1200 rga_request.rotate_mode = 1;
1201 rga_request.sina = 0;
1202 rga_request.cosa = -65536;
1203 rga_request.dst.act_w = dst_win->area[0].xact;
1204 rga_request.dst.act_h = dst_win->area[0].yact;
1205 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1206 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1209 rga_request.rotate_mode = 1;
1210 rga_request.sina = -65536;
1211 rga_request.cosa = 0;
1212 rga_request.dst.act_w = dst_win->area[0].yact;
1213 rga_request.dst.act_h = dst_win->area[0].xact;
1214 rga_request.dst.x_offset = 0;
1215 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1218 rga_request.rotate_mode = 0;
1219 rga_request.dst.act_w = dst_win->area[0].xact;
1220 rga_request.dst.act_h = dst_win->area[0].yact;
1221 rga_request.dst.x_offset = dst_win->area[0].xact - 1;
1222 rga_request.dst.y_offset = dst_win->area[0].yact - 1;
1228 * ion_share_dma_buf_fd(rk_fb->ion_client, src_win->area[0].ion_hdl);
1229 * rga_request.src.yrgb_addr = fd;
1231 * ion_share_dma_buf_fd(rk_fb->ion_client, dst_win->area[0].ion_hdl);
1232 * rga_request.dst.yrgb_addr = fd;
1234 rga_request.src.yrgb_addr = 0;
1235 rga_request.src.uv_addr =
1236 src_win->area[0].smem_start + src_win->area[0].y_offset;
1237 rga_request.src.v_addr = 0;
1239 rga_request.dst.yrgb_addr = 0;
1240 rga_request.dst.uv_addr =
1241 dst_win->area[0].smem_start + dst_win->area[0].y_offset;
1242 rga_request.dst.v_addr = 0;
1244 rga_request.src.vir_w = src_win->area[0].xvir;
1245 rga_request.src.vir_h = src_win->area[0].yvir;
1246 rga_request.src.format = get_rga_format(src_win->area[0].format);
1247 rga_request.src.act_w = src_win->area[0].xact;
1248 rga_request.src.act_h = src_win->area[0].yact;
1249 rga_request.src.x_offset = 0;
1250 rga_request.src.y_offset = 0;
1252 rga_request.dst.vir_w = dst_win->area[0].xvir;
1253 rga_request.dst.vir_h = dst_win->area[0].yvir;
1254 rga_request.dst.format = get_rga_format(dst_win->area[0].format);
1256 rga_request.clip.xmin = 0;
1257 rga_request.clip.xmax = dst_win->area[0].xact - 1;
1258 rga_request.clip.ymin = 0;
1259 rga_request.clip.ymax = dst_win->area[0].yact - 1;
1260 rga_request.scale_mode = 0;
1263 rga_request.mmu_info.mmu_en = 1;
1264 rga_request.mmu_info.mmu_flag = 1;
1266 rga_request.mmu_info.mmu_en = 0;
1267 rga_request.mmu_info.mmu_flag = 0;
1270 ret = rga_ioctl_kernel(&rga_request);
1274 * This function is used for copying fb by RGA Module
1275 * RGA only support copy RGB to RGB
1276 * RGA2 support copy RGB to RGB and YUV to YUV
1278 static void fb_copy_by_rga(struct fb_info *dst_info,
1279 struct fb_info *src_info)
1281 struct rk_fb_par *src_fb_par = (struct rk_fb_par *)src_info->par;
1282 struct rk_fb_par *dst_fb_par = (struct rk_fb_par *)dst_info->par;
1283 struct rk_lcdc_driver *dev_drv = src_fb_par->lcdc_drv;
1284 struct rk_lcdc_driver *ext_dev_drv = dst_fb_par->lcdc_drv;
1285 int win_id = 0, ext_win_id;
1286 struct rk_lcdc_win *src_win, *dst_win;
1288 win_id = dev_drv->ops->fb_get_win_id(dev_drv, src_info->fix.id);
1289 src_win = dev_drv->win[win_id];
1292 ext_dev_drv->ops->fb_get_win_id(ext_dev_drv, dst_info->fix.id);
1293 dst_win = ext_dev_drv->win[ext_win_id];
1295 win_copy_by_rga(dst_win, src_win, ext_dev_drv->rotate_mode,
1296 ext_dev_drv->iommu_enabled);
1300 static int rk_fb_rotate(struct fb_info *dst_info,
1301 struct fb_info *src_info)
1303 #if defined(CONFIG_RK29_IPP)
1304 fb_copy_by_ipp(dst_info, src_info);
1305 #elif defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1306 fb_copy_by_rga(dst_info, src_info);
1313 static int __maybe_unused rk_fb_win_rotate(struct rk_lcdc_win *dst_win,
1314 struct rk_lcdc_win *src_win,
1315 u16 rotate, int iommu_en)
1317 #if defined(CONFIG_ROCKCHIP_RGA) || defined(CONFIG_ROCKCHIP_RGA2)
1318 win_copy_by_rga(dst_win, src_win, rotate, iommu_en);
1327 static int rk_fb_pan_display(struct fb_var_screeninfo *var,
1328 struct fb_info *info)
1330 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1331 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1332 struct fb_fix_screeninfo *fix = &info->fix;
1334 struct rk_lcdc_win *win = NULL;
1335 struct rk_screen *screen = dev_drv->cur_screen;
1336 u32 xoffset = var->xoffset;
1337 u32 yoffset = var->yoffset;
1338 u32 xvir = var->xres_virtual;
1341 u32 stride, uv_stride;
1344 u16 uv_x_off, uv_y_off, uv_y_act;
1347 if (dev_drv->suspend_flag)
1349 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1353 win = dev_drv->win[win_id];
1355 pixel_width = rk_fb_pixel_width(win->area[0].format);
1356 vir_width_bit = pixel_width * xvir;
1357 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
1358 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
1360 switch (win->area[0].format) {
1364 stride = stride_32bit_1;
1365 uv_stride = stride_32bit_1;
1368 fix->line_length = stride;
1369 uv_y_act = win->area[0].yact >> 1;
1371 case YUV420: /* nv12 */
1372 case YUV420_NV21: /* nv21 */
1375 stride = stride_32bit_1;
1376 uv_stride = stride_32bit_1;
1378 uv_y_off = yoffset >> 1;
1379 fix->line_length = stride;
1380 uv_y_act = win->area[0].yact >> 1;
1385 stride = stride_32bit_1;
1386 uv_stride = stride_32bit_2;
1387 uv_x_off = xoffset * 2;
1389 fix->line_length = stride << 2;
1390 uv_y_act = win->area[0].yact;
1393 stride = stride_32bit_1; /* default rgb */
1394 fix->line_length = stride;
1398 /* x y mirror ,jump line */
1399 if ((screen->y_mirror == 1) ||
1400 (win->xmirror && win->ymirror)) {
1401 if (screen->interlace == 1) {
1402 win->area[0].y_offset = yoffset * stride * 2 +
1403 ((win->area[0].yact - 1) * 2 + 1) * stride +
1404 xoffset * pixel_width / 8;
1406 win->area[0].y_offset = yoffset * stride +
1407 (win->area[0].yact - 1) * stride +
1408 xoffset * pixel_width / 8;
1411 if (screen->interlace == 1) {
1412 win->area[0].y_offset =
1413 yoffset * stride * 2 + xoffset * pixel_width / 8;
1415 win->area[0].y_offset =
1416 yoffset * stride + xoffset * pixel_width / 8;
1419 if (is_pic_yuv == 1) {
1420 if ((screen->y_mirror == 1) ||
1421 (win->xmirror && win->ymirror)) {
1422 if (screen->interlace == 1) {
1423 win->area[0].c_offset =
1424 uv_y_off * uv_stride * 2 +
1425 ((uv_y_act - 1) * 2 + 1) * uv_stride +
1426 uv_x_off * pixel_width / 8;
1428 win->area[0].c_offset = uv_y_off * uv_stride +
1429 (uv_y_act - 1) * uv_stride +
1430 uv_x_off * pixel_width / 8;
1433 if (screen->interlace == 1) {
1434 win->area[0].c_offset =
1435 uv_y_off * uv_stride * 2 +
1436 uv_x_off * pixel_width / 8;
1438 win->area[0].c_offset =
1439 uv_y_off * uv_stride +
1440 uv_x_off * pixel_width / 8;
1445 win->area[0].smem_start = fix->smem_start;
1446 win->area[0].cbr_start = fix->mmio_start;
1447 win->area[0].state = 1;
1450 dev_drv->ops->pan_display(dev_drv, win_id);
1452 #ifdef CONFIG_FB_MIRRORING
1453 if (video_data_to_mirroring)
1454 video_data_to_mirroring(info, NULL);
1456 /* if not want the config effect,set reserved[3] bit[0] 1 */
1457 if (likely((var->reserved[3] & 0x1) == 0))
1458 dev_drv->ops->cfg_done(dev_drv);
1459 if (dev_drv->hdmi_switch)
1464 static int rk_fb_get_list_stat(struct rk_lcdc_driver *dev_drv)
1468 i = list_empty(&dev_drv->update_regs_list);
1469 j = list_empty(&dev_drv->saved_list);
1470 return i == j ? 0 : 1;
1473 void rk_fd_fence_wait(struct rk_lcdc_driver *dev_drv, struct sync_fence *fence)
1475 int err = sync_fence_wait(fence, 1000);
1481 err = sync_fence_wait(fence, 10 * MSEC_PER_SEC);
1484 pr_info("error waiting on fence\n");
1487 static int rk_fb_copy_from_loader(struct fb_info *info)
1489 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
1490 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
1491 void *dst = info->screen_base;
1496 struct rk_lcdc_win *win;
1498 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
1499 win = dev_drv->win[win_id];
1500 size = (win->area[0].xact) * (win->area[0].yact) << 2;
1501 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1502 src = dsp_addr[win_id];
1503 dev_info(info->dev, "copy fb data %d x %d from dst_addr:%08x\n",
1504 win->area[0].xact, win->area[0].yact, src);
1505 for (i = 0; i < size; i += PAGE_SIZE) {
1506 void *page = phys_to_page(i + src);
1507 void *from_virt = kmap(page);
1508 void *to_virt = dst + i;
1510 memcpy(to_virt, from_virt, PAGE_SIZE);
1512 dev_drv->ops->direct_set_addr(dev_drv, win_id,
1513 info->fix.smem_start);
1517 static int g_last_addr[5][4];
1518 static int g_now_config_addr[5][4];
1519 static int g_last_state[5][4];
1520 static int g_now_config_state[5][4];
1525 #define DUMP_CHUNK 256
1526 char buf[PAGE_SIZE];
1528 int rk_fb_sysmmu_fault_handler(struct device *dev,
1529 enum rk_iommu_inttype itype,
1530 unsigned long pgtable_base,
1531 unsigned long fault_addr, unsigned int status)
1533 struct rk_lcdc_driver *dev_drv = rk_get_prmry_lcdc_drv();
1535 static int page_fault_cnt;
1537 if ((page_fault_cnt++) >= 10)
1540 ("PAGE FAULT occurred at 0x%lx (Page table base: 0x%lx),status=%d\n",
1541 fault_addr, pgtable_base, status);
1542 pr_info("last config addr:\n");
1543 for (i = 0; i < 4; i++) {
1544 for (j = 0; j < 4; j++)
1545 pr_info("win[%d],area[%d] = 0x%08x\n",
1546 i, j, g_last_addr[i][j]);
1548 pr_info("last freed buffer:\n");
1549 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1550 pr_info("%d:0x%08x\n", i, freed_addr[i]);
1551 pr_info("last timeout:%d\n", g_last_timeout);
1552 dev_drv->ops->get_disp_info(dev_drv, buf, 0);
1553 for (i = 0; i < PAGE_SIZE; i += DUMP_CHUNK) {
1554 if ((PAGE_SIZE - i) > DUMP_CHUNK) {
1555 char c = buf[i + DUMP_CHUNK];
1557 buf[i + DUMP_CHUNK] = 0;
1558 pr_cont("%s", buf + i);
1559 buf[i + DUMP_CHUNK] = c;
1561 buf[PAGE_SIZE - 1] = 0;
1562 pr_cont("%s", buf + i);
1569 void rk_fb_free_wb_buf(struct rk_lcdc_driver *dev_drv,
1570 struct rk_fb_reg_wb_data *wb_data)
1572 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1574 if (dev_drv->iommu_enabled && wb_data->ion_handle)
1575 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1576 wb_data->ion_handle);
1577 if (wb_data->ion_handle)
1578 ion_free(rk_fb->ion_client, wb_data->ion_handle);
1581 void rk_fb_free_dma_buf(struct rk_lcdc_driver *dev_drv,
1582 struct rk_fb_reg_win_data *reg_win_data)
1585 struct rk_fb_reg_area_data *area_data;
1586 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
1588 for (i = 0; i < reg_win_data->area_num; i++) {
1589 area_data = ®_win_data->reg_area_data[i];
1590 index_buf = area_data->index_buf;
1591 if (dev_drv->iommu_enabled) {
1592 if (area_data->ion_handle != NULL &&
1593 !IS_YUV_FMT(area_data->data_format))
1594 ion_unmap_iommu(dev_drv->dev, rk_fb->ion_client,
1595 area_data->ion_handle);
1596 freed_addr[freed_index++] = area_data->smem_start;
1598 if (area_data->ion_handle != NULL)
1599 ion_free(rk_fb->ion_client, area_data->ion_handle);
1601 if (area_data->acq_fence)
1602 sync_fence_put(area_data->acq_fence);
1606 static void rk_fb_update_win(struct rk_lcdc_driver *dev_drv,
1607 struct rk_lcdc_win *win,
1608 struct rk_fb_reg_win_data *reg_win_data)
1611 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
1612 struct rk_screen *cur_screen;
1613 struct rk_screen primary_screen;
1615 if (unlikely(!inf) || unlikely(!dev_drv) ||
1616 unlikely(!win) || unlikely(!reg_win_data))
1619 cur_screen = dev_drv->cur_screen;
1620 rk_fb_get_prmry_screen(&primary_screen);
1622 win->area_num = reg_win_data->area_num;
1623 win->id = reg_win_data->win_id;
1624 win->z_order = reg_win_data->z_order;
1626 if (reg_win_data->reg_area_data[0].smem_start > 0) {
1628 win->area_num = reg_win_data->area_num;
1629 win->id = reg_win_data->win_id;
1630 win->z_order = reg_win_data->z_order;
1631 win->area[0].uv_vir_stride =
1632 reg_win_data->reg_area_data[0].uv_vir_stride;
1633 win->area[0].cbr_start =
1634 reg_win_data->reg_area_data[0].cbr_start;
1635 win->area[0].c_offset = reg_win_data->reg_area_data[0].c_offset;
1636 win->alpha_en = reg_win_data->alpha_en;
1637 win->alpha_mode = reg_win_data->alpha_mode;
1638 win->g_alpha_val = reg_win_data->g_alpha_val;
1640 * reg_win_data mirror_en means that xmirror ymirror all
1643 win->xmirror = reg_win_data->mirror_en ? 1 : 0;
1644 win->ymirror = reg_win_data->mirror_en ? 1 : 0;
1645 win->colorspace = reg_win_data->colorspace;
1646 win->area[0].fbdc_en =
1647 reg_win_data->reg_area_data[0].fbdc_en;
1648 win->area[0].fbdc_cor_en =
1649 reg_win_data->reg_area_data[0].fbdc_cor_en;
1650 win->area[0].fbdc_data_format =
1651 reg_win_data->reg_area_data[0].fbdc_data_format;
1652 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
1653 if (reg_win_data->reg_area_data[i].smem_start > 0) {
1654 win->area[i].format =
1655 reg_win_data->reg_area_data[i].data_format;
1656 win->area[i].ion_hdl =
1657 reg_win_data->reg_area_data[i].ion_handle;
1658 win->area[i].smem_start =
1659 reg_win_data->reg_area_data[i].smem_start;
1660 if (inf->disp_mode == DUAL ||
1661 inf->disp_mode == DUAL_LCD ||
1662 inf->disp_mode == NO_DUAL) {
1664 reg_win_data->reg_area_data[i].xpos;
1666 reg_win_data->reg_area_data[i].ypos;
1667 win->area[i].xsize =
1668 reg_win_data->reg_area_data[i].xsize;
1669 win->area[i].ysize =
1670 reg_win_data->reg_area_data[i].ysize;
1673 reg_win_data->reg_area_data[i].xpos *
1674 cur_screen->mode.xres /
1675 primary_screen.mode.xres;
1677 reg_win_data->reg_area_data[i].ypos *
1678 cur_screen->mode.yres /
1679 primary_screen.mode.yres;
1680 win->area[i].xsize =
1681 reg_win_data->reg_area_data[i].xsize *
1682 cur_screen->mode.xres /
1683 primary_screen.mode.xres;
1684 win->area[i].ysize =
1685 reg_win_data->reg_area_data[i].ysize *
1686 cur_screen->mode.yres /
1687 primary_screen.mode.yres;
1689 /* recalc display size if set hdmi scaler when at ONE_DUAL mode */
1690 if (inf->disp_mode == ONE_DUAL && hdmi_switch_state) {
1691 if (cur_screen->xsize > 0 &&
1692 cur_screen->xsize <= cur_screen->mode.xres) {
1694 ((cur_screen->mode.xres - cur_screen->xsize) >> 1) +
1695 cur_screen->xsize * win->area[i].xpos / cur_screen->mode.xres;
1696 win->area[i].xsize =
1697 win->area[i].xsize * cur_screen->xsize / cur_screen->mode.xres;
1699 if (cur_screen->ysize > 0 && cur_screen->ysize <= cur_screen->mode.yres) {
1701 ((cur_screen->mode.yres - cur_screen->ysize) >> 1) +
1702 cur_screen->ysize * win->area[i].ypos / cur_screen->mode.yres;
1703 win->area[i].ysize =
1704 win->area[i].ysize * cur_screen->ysize / cur_screen->mode.yres;
1709 reg_win_data->reg_area_data[i].xact;
1711 reg_win_data->reg_area_data[i].yact;
1713 reg_win_data->reg_area_data[i].xvir;
1715 reg_win_data->reg_area_data[i].yvir;
1717 reg_win_data->reg_area_data[i].xoff;
1719 reg_win_data->reg_area_data[i].yoff;
1720 win->area[i].y_offset =
1721 reg_win_data->reg_area_data[i].y_offset;
1722 win->area[i].y_vir_stride =
1723 reg_win_data->reg_area_data[i].y_vir_stride;
1724 win->area[i].state = 1;
1725 if (dev_drv->iommu_enabled) {
1726 g_now_config_addr[win->id][i] =
1727 win->area[i].smem_start +
1728 win->area[i].y_offset;
1729 g_now_config_state[win->id][i] = 1;
1732 win->area[i].state = 0;
1733 win->area[i].fbdc_en = 0;
1734 if (dev_drv->iommu_enabled) {
1735 g_now_config_addr[win->id][i] = 0;
1736 g_now_config_state[win->id][i] = 0;
1743 static struct rk_fb_reg_win_data *rk_fb_get_win_data(struct rk_fb_reg_data
1747 struct rk_fb_reg_win_data *win_data = NULL;
1749 for (i = 0; i < regs->win_num; i++) {
1750 if (regs->reg_win_data[i].win_id == win_id) {
1751 win_data = &(regs->reg_win_data[i]);
1759 static int rk_fb_reg_effect(struct rk_lcdc_driver *dev_drv,
1760 struct rk_fb_reg_data *regs,
1763 int i, j, wait_for_vsync = false;
1764 unsigned int dsp_addr[5][4];
1767 if (dev_drv->ops->get_dsp_addr)
1768 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1770 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1771 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1772 if ((j > 0) && (dev_drv->area_support[i] == 1))
1774 if (dev_drv->win[i]->area[j].state == 1) {
1776 dev_drv->win[i]->area[j].smem_start +
1777 dev_drv->win[i]->area[j].y_offset;
1778 u32 reg_start = dsp_addr[i][j];
1780 if (unlikely(new_start != reg_start)) {
1781 wait_for_vsync = true;
1782 dev_info(dev_drv->dev,
1783 "win%d:new_addr:0x%08x cur_addr:0x%08x--%d\n",
1784 i, new_start, reg_start,
1788 } else if (dev_drv->win[i]->area[j].state == 0) {
1789 if (dev_drv->ops->get_win_state) {
1791 dev_drv->ops->get_win_state(dev_drv, i, j);
1793 wait_for_vsync = true;
1796 pr_err("!!!win[%d]state:%d,error!!!\n",
1797 i, dev_drv->win[i]->state);
1802 return wait_for_vsync;
1805 static int rk_fb_iommu_page_fault_dump(struct rk_lcdc_driver *dev_drv)
1807 int i, j, state, page_fault = 0;
1808 unsigned int dsp_addr[5][4];
1810 if (dev_drv->ops->extern_func) {
1811 dev_drv->ops->extern_func(dev_drv, UNMASK_PAGE_FAULT);
1812 page_fault = dev_drv->ops->extern_func(dev_drv, GET_PAGE_FAULT);
1815 pr_info("last config:\n");
1816 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1817 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1818 if ((j > 0) && (dev_drv->area_support[i] == 1))
1820 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1821 i, j, g_last_state[i][j], g_last_addr[i][j]);
1825 pr_info("last freed buffer:\n");
1826 for (i = 0; (freed_addr[i] != 0xfefefefe) && freed_addr[i]; i++)
1827 pr_info("%d:0x%08x\n", i, freed_addr[i]);
1829 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
1830 pr_info("vop now state:\n");
1831 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1832 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1833 if ((j > 0) && (dev_drv->area_support[i] == 1))
1835 state = dev_drv->ops->get_win_state(dev_drv, i, j);
1836 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1837 i, j, state, dsp_addr[i][j]);
1840 pr_info("now config:\n");
1841 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1842 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1843 if ((j > 0) && (dev_drv->area_support[i] == 1))
1845 pr_info("win[%d]area[%d],state=%d,addr=0x%08x\n",
1846 i, j, g_now_config_state[i][j],
1847 g_now_config_addr[i][j]);
1850 for (i = 0; i < DUMP_FRAME_NUM; i++)
1851 rk_fb_config_debug(dev_drv, &dev_drv->tmp_win_cfg[i],
1852 &dev_drv->tmp_regs[i], 0);
1855 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1856 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1857 if ((j > 0) && (dev_drv->area_support[i] == 1))
1859 g_last_addr[i][j] = g_now_config_addr[i][j];
1860 g_last_state[i][j] = g_now_config_state[i][j];
1866 static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
1867 struct rk_fb_reg_data *regs)
1870 struct rk_lcdc_win *win;
1871 ktime_t timestamp = dev_drv->vsync_info.timestamp;
1872 struct rk_fb_reg_win_data *win_data;
1873 bool wait_for_vsync;
1878 if (dev_drv->suspend_flag == 1) {
1880 sw_sync_timeline_inc(dev_drv->timeline, 1);
1882 for (i = 0; i < regs->win_num; i++) {
1883 win_data = ®s->reg_win_data[i];
1884 rk_fb_free_dma_buf(dev_drv, win_data);
1886 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
1887 rk_fb_free_wb_buf(dev_drv, ®s->reg_wb_data);
1891 /* acq_fence wait */
1892 for (i = 0; i < regs->win_num; i++) {
1893 win_data = ®s->reg_win_data[i];
1894 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
1895 if (win_data->reg_area_data[j].acq_fence)
1896 rk_fd_fence_wait(dev_drv, win_data->reg_area_data[j].acq_fence);
1900 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
1901 win = dev_drv->win[i];
1902 win_data = rk_fb_get_win_data(regs, i);
1904 mutex_lock(&dev_drv->win_config);
1905 rk_fb_update_win(dev_drv, win, win_data);
1907 dev_drv->ops->set_par(dev_drv, i);
1908 dev_drv->ops->pan_display(dev_drv, i);
1909 mutex_unlock(&dev_drv->win_config);
1913 for (j = 0; j < 4; j++) {
1914 win->area[j].state = 0;
1915 win->area[j].fbdc_en = 0;
1917 if (dev_drv->iommu_enabled) {
1918 for (j = 0; j < 4; j++) {
1919 g_now_config_addr[i][j] = 0;
1920 g_now_config_state[i][j] = 0;
1925 dev_drv->ops->ovl_mgr(dev_drv, 0, 1);
1927 if (dev_drv->property.feature & SUPPORT_WRITE_BACK) {
1928 memcpy(&dev_drv->wb_data, ®s->reg_wb_data,
1929 sizeof(struct rk_fb_reg_wb_data));
1930 if (dev_drv->ops->set_wb)
1931 dev_drv->ops->set_wb(dev_drv);
1934 if (rk_fb_iommu_debug > 0)
1935 pagefault = rk_fb_iommu_page_fault_dump(dev_drv);
1938 dev_drv->ops->cfg_done(dev_drv);
1940 sw_sync_timeline_inc(dev_drv->timeline, 1);
1943 timestamp = dev_drv->vsync_info.timestamp;
1944 timeout = wait_event_interruptible_timeout(dev_drv->vsync_info.wait,
1945 ktime_compare(dev_drv->vsync_info.timestamp, timestamp) > 0,
1946 msecs_to_jiffies(50));
1948 wait_for_vsync = rk_fb_reg_effect(dev_drv, regs, count);
1949 } while (wait_for_vsync && count--);
1951 sw_sync_timeline_inc(dev_drv->timeline, 1);
1954 if (dev_drv->front_regs) {
1955 if (dev_drv->iommu_enabled) {
1956 if (dev_drv->ops->mmu_en)
1957 dev_drv->ops->mmu_en(dev_drv);
1959 g_last_timeout = timeout;
1962 mutex_lock(&dev_drv->front_lock);
1964 for (i = 0; i < dev_drv->front_regs->win_num; i++) {
1965 win_data = &dev_drv->front_regs->reg_win_data[i];
1966 rk_fb_free_dma_buf(dev_drv, win_data);
1968 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
1969 rk_fb_free_wb_buf(dev_drv,
1970 &dev_drv->front_regs->reg_wb_data);
1971 kfree(dev_drv->front_regs);
1973 mutex_unlock(&dev_drv->front_lock);
1975 if (dev_drv->iommu_enabled)
1976 freed_addr[freed_index] = 0xfefefefe;
1979 mutex_lock(&dev_drv->front_lock);
1981 dev_drv->front_regs = regs;
1983 mutex_unlock(&dev_drv->front_lock);
1985 trace_buffer_dump(&fb_pdev->dev, dev_drv);
1988 static void rk_fb_update_regs_handler(struct kthread_work *work)
1990 struct rk_lcdc_driver *dev_drv =
1991 container_of(work, struct rk_lcdc_driver, update_regs_work);
1992 struct rk_fb_reg_data *data, *next;
1994 mutex_lock(&dev_drv->update_regs_list_lock);
1995 dev_drv->saved_list = dev_drv->update_regs_list;
1996 list_replace_init(&dev_drv->update_regs_list, &dev_drv->saved_list);
1997 mutex_unlock(&dev_drv->update_regs_list_lock);
1999 list_for_each_entry_safe(data, next, &dev_drv->saved_list, list) {
2000 list_del(&data->list);
2001 rk_fb_update_reg(dev_drv, data);
2004 if (dev_drv->wait_fs && list_empty(&dev_drv->update_regs_list))
2005 wake_up(&dev_drv->update_regs_wait);
2008 static int rk_fb_check_config_var(struct rk_fb_area_par *area_par,
2009 struct rk_screen *screen)
2011 if (area_par->phy_addr > 0)
2012 pr_err("%s[%d], phy_addr = 0x%x\n",
2013 __func__, __LINE__, area_par->phy_addr);
2014 if ((area_par->x_offset + area_par->xact > area_par->xvir) ||
2015 (area_par->xact <= 0) || (area_par->yact <= 0) ||
2016 (area_par->xvir <= 0) || (area_par->yvir <= 0)) {
2017 pr_err("check config var fail 0:\n"
2018 "x_offset=%d,xact=%d,xvir=%d\n",
2019 area_par->x_offset, area_par->xact, area_par->xvir);
2023 if ((area_par->xpos >= screen->mode.xres) ||
2024 (area_par->ypos >= screen->mode.yres) ||
2025 ((area_par->xsize <= 0) || (area_par->ysize <= 0))) {
2026 pr_warn("check config var fail 1:\n"
2027 "xpos=%d,xsize=%d,xres=%d\n"
2028 "ypos=%d,ysize=%d,yres=%d\n",
2029 area_par->xpos, area_par->xsize, screen->mode.xres,
2030 area_par->ypos, area_par->ysize, screen->mode.yres);
2036 static int rk_fb_config_debug(struct rk_lcdc_driver *dev_drv,
2037 struct rk_fb_win_cfg_data *win_data,
2038 struct rk_fb_reg_data *regs, u32 cmd)
2041 struct rk_fb_win_par *win_par;
2042 struct rk_fb_area_par *area_par;
2043 struct rk_fb_reg_win_data *reg_win_data;
2044 struct rk_fb_reg_area_data *area_data;
2046 rk_fb_dbg(cmd, "-------------frame start-------------\n");
2047 rk_fb_dbg(cmd, "user config:\n");
2048 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2049 win_par = &(win_data->win_par[i]);
2050 if ((win_par->area_par[0].ion_fd <= 0) &&
2051 (win_par->area_par[0].phy_addr <= 0))
2053 rk_fb_dbg(cmd, "win[%d]:z_order=%d,galhpa_v=%d\n",
2054 win_par->win_id, win_par->z_order,
2055 win_par->g_alpha_val);
2056 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2057 area_par = &(win_par->area_par[j]);
2058 if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2059 ((win_par->area_par[j].ion_fd <= 0) &&
2060 (win_par->area_par[j].phy_addr <= 0)))
2062 rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion_fd=%d,phy_add=0x%x,xoff=%d,yoff=%d\n",
2063 j, area_par->data_format, area_par->ion_fd,
2064 area_par->phy_addr, area_par->x_offset,
2065 area_par->y_offset);
2066 rk_fb_dbg(cmd, " xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2067 area_par->xpos, area_par->ypos,
2068 area_par->xsize, area_par->ysize);
2069 rk_fb_dbg(cmd, " xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2070 area_par->xact, area_par->yact,
2071 area_par->xvir, area_par->yvir);
2075 rk_fb_dbg(cmd, "regs data:\n");
2076 rk_fb_dbg(cmd, "win_num=%d,buf_num=%d\n",
2077 regs->win_num, regs->buf_num);
2078 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
2079 reg_win_data = &(regs->reg_win_data[i]);
2080 if (reg_win_data->reg_area_data[0].smem_start <= 0)
2082 rk_fb_dbg(cmd, "win[%d]:z_order=%d,area_num=%d,area_buf_num=%d\n",
2083 reg_win_data->win_id, reg_win_data->z_order,
2084 reg_win_data->area_num, reg_win_data->area_buf_num);
2085 for (j = 0; j < RK_WIN_MAX_AREA; j++) {
2086 area_data = &(reg_win_data->reg_area_data[j]);
2087 if (((j > 0) && (dev_drv->area_support[i] == 1)) ||
2088 (area_data->smem_start <= 0))
2090 rk_fb_dbg(cmd, " area[%d]:fmt=%d,ion=%p,smem_star=0x%lx,cbr_star=0x%lx\n",
2091 j, area_data->data_format, area_data->ion_handle,
2092 area_data->smem_start, area_data->cbr_start);
2093 rk_fb_dbg(cmd, " yoff=0x%x,coff=0x%x,area_data->buff_len=%x\n",
2094 area_data->y_offset, area_data->c_offset, area_data->buff_len);
2095 rk_fb_dbg(cmd, " xpos=%d,ypos=%d,xsize=%d,ysize=%d\n",
2096 area_data->xpos, area_data->ypos,
2097 area_data->xsize, area_data->ysize);
2098 rk_fb_dbg(cmd, " xact=%d,yact=%d,xvir=%d,yvir=%d\n",
2099 area_data->xact, area_data->yact,
2100 area_data->xvir, area_data->yvir);
2103 rk_fb_dbg(cmd, "-------------frame end---------------\n");
2107 static int rk_fb_config_backup(struct rk_lcdc_driver *dev_drv,
2108 struct rk_fb_win_cfg_data *win_cfg,
2109 struct rk_fb_reg_data *regs)
2113 /*2->1->0: 0 is newest*/
2114 for (i = 0; i < DUMP_FRAME_NUM - 1; i++) {
2115 memcpy(&dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 1 - i],
2116 &dev_drv->tmp_win_cfg[DUMP_FRAME_NUM - 2 - i],
2117 sizeof(struct rk_fb_win_cfg_data));
2118 memcpy(&dev_drv->tmp_regs[DUMP_FRAME_NUM - 1 - i],
2119 &dev_drv->tmp_regs[DUMP_FRAME_NUM - 2 - i],
2120 sizeof(struct rk_fb_reg_data));
2123 memcpy(&dev_drv->tmp_win_cfg[0], win_cfg,
2124 sizeof(struct rk_fb_win_cfg_data));
2125 memcpy(&dev_drv->tmp_regs[0], regs,
2126 sizeof(struct rk_fb_reg_data));
2131 static int rk_fb_set_wb_buffer(struct fb_info *info,
2132 struct rk_fb_wb_cfg *wb_cfg,
2133 struct rk_fb_reg_wb_data *wb_data)
2136 ion_phys_addr_t phy_addr;
2139 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2140 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2141 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2143 if ((wb_cfg->phy_addr == 0) && (wb_cfg->ion_fd == 0)) {
2147 if (wb_cfg->phy_addr == 0) {
2148 wb_data->ion_handle =
2149 ion_import_dma_buf(rk_fb->ion_client,
2151 if (IS_ERR(wb_data->ion_handle)) {
2152 pr_info("Could not import handle: %ld\n",
2153 (long)wb_data->ion_handle);
2156 if (dev_drv->iommu_enabled)
2157 ret = ion_map_iommu(dev_drv->dev,
2159 wb_data->ion_handle,
2160 (unsigned long *)&phy_addr,
2161 (unsigned long *)&len);
2163 ret = ion_phys(rk_fb->ion_client, wb_data->ion_handle,
2166 pr_err("ion map to get phy addr failed\n");
2167 ion_free(rk_fb->ion_client, wb_data->ion_handle);
2170 wb_data->smem_start = phy_addr;
2172 wb_data->smem_start = wb_cfg->phy_addr;
2175 fb_data_fmt = rk_fb_data_fmt(wb_cfg->data_format, 0);
2176 if (IS_YUV_FMT(fb_data_fmt))
2177 wb_data->cbr_start = wb_data->smem_start +
2178 wb_cfg->xsize * wb_cfg->ysize;
2179 wb_data->xsize = wb_cfg->xsize;
2180 wb_data->ysize = wb_cfg->ysize;
2181 wb_data->data_format = fb_data_fmt;
2187 static int rk_fb_set_win_buffer(struct fb_info *info,
2188 struct rk_fb_win_par *win_par,
2189 struct rk_fb_reg_win_data *reg_win_data)
2191 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2192 struct fb_fix_screeninfo *fix = &info->fix;
2193 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2194 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2195 /*if hdmi size move to hwc,screen should point to cur_screen
2196 *otherwise point to screen0[main screen]*/
2197 struct rk_screen *screen = dev_drv->cur_screen;/*screen0;*/
2198 struct fb_info *fbi;
2199 int i, ion_fd, acq_fence_fd;
2200 u32 xvir = 0, yvir = 0;
2201 u32 xoffset = 0, yoffset = 0;
2203 struct ion_handle *hdl;
2208 u32 vir_width_bit = 0;
2209 u32 stride = 0, uv_stride = 0;
2210 u32 stride_32bit_1 = 0;
2211 u32 stride_32bit_2 = 0;
2212 u16 uv_x_off = 0, uv_y_off = 0, uv_y_act = 0;
2214 u8 ppixel_a = 0, global_a = 0;
2215 ion_phys_addr_t phy_addr;
2219 reg_win_data->reg_area_data[0].smem_start = -1;
2220 reg_win_data->area_num = 0;
2221 fbi = rk_fb->fb[win_par->win_id + dev_drv->fb_index_base];
2222 if (win_par->area_par[0].phy_addr == 0) {
2223 for (i = 0; i < RK_WIN_MAX_AREA; i++) {
2224 ion_fd = win_par->area_par[i].ion_fd;
2227 ion_import_dma_buf(rk_fb->ion_client,
2230 pr_info("%s: Could not import handle:"
2231 " %ld\n", __func__, (long)hdl);
2235 reg_win_data->reg_area_data[i].ion_handle = hdl;
2236 if (dev_drv->iommu_enabled)
2237 ret = ion_map_iommu(dev_drv->dev,
2240 (unsigned long *)&phy_addr,
2241 (unsigned long *)&len);
2243 ret = ion_phys(rk_fb->ion_client, hdl,
2246 dev_err(fbi->dev, "ion map to get phy addr failed\n");
2247 ion_free(rk_fb->ion_client, hdl);
2250 reg_win_data->reg_area_data[i].smem_start = phy_addr;
2251 reg_win_data->area_num++;
2252 reg_win_data->area_buf_num++;
2253 reg_win_data->reg_area_data[i].index_buf = 1;
2254 reg_win_data->reg_area_data[i].buff_len = len;
2258 reg_win_data->reg_area_data[0].smem_start =
2259 win_par->area_par[0].phy_addr;
2260 reg_win_data->area_num = 1;
2261 reg_win_data->area_buf_num++;
2262 fbi->screen_base = phys_to_virt(win_par->area_par[0].phy_addr);
2265 if (reg_win_data->area_num == 0) {
2266 for (i = 0; i < RK_WIN_MAX_AREA; i++)
2267 reg_win_data->reg_area_data[i].smem_start = 0;
2268 reg_win_data->z_order = -1;
2269 reg_win_data->win_id = -1;
2273 for (i = 0; i < reg_win_data->area_num; i++) {
2274 acq_fence_fd = win_par->area_par[i].acq_fence_fd;
2275 index_buf = reg_win_data->reg_area_data[i].index_buf;
2276 if ((acq_fence_fd > 0) && (index_buf == 1)) {
2277 reg_win_data->reg_area_data[i].acq_fence =
2278 sync_fence_fdget(win_par->area_par[i].acq_fence_fd);
2281 if (reg_win_data->reg_area_data[0].smem_start > 0) {
2282 reg_win_data->z_order = win_par->z_order;
2283 reg_win_data->win_id = win_par->win_id;
2285 reg_win_data->z_order = -1;
2286 reg_win_data->win_id = -1;
2289 reg_win_data->mirror_en = win_par->mirror_en;
2290 for (i = 0; i < reg_win_data->area_num; i++) {
2291 u8 data_format = win_par->area_par[i].data_format;
2292 /*rk_fb_check_config_var(&win_par->area_par[i], screen);*/
2293 reg_win_data->colorspace = CSC_FORMAT(data_format);
2294 data_format &= ~CSC_MASK;
2295 fb_data_fmt = rk_fb_data_fmt(data_format, 0);
2296 reg_win_data->reg_area_data[i].data_format = fb_data_fmt;
2297 if (IS_FBDC_FMT(fb_data_fmt)) {
2298 reg_win_data->reg_area_data[i].fbdc_en = 1;
2299 reg_win_data->reg_area_data[i].fbdc_cor_en = 1;
2301 reg_win_data->reg_area_data[i].fbdc_en = 0;
2302 reg_win_data->reg_area_data[i].fbdc_cor_en = 0;
2304 pixel_width = rk_fb_pixel_width(fb_data_fmt);
2306 ppixel_a |= ((fb_data_fmt == ARGB888) ||
2307 (fb_data_fmt == FBDC_ARGB_888) ||
2308 (fb_data_fmt == FBDC_ABGR_888) ||
2309 (fb_data_fmt == ABGR888)) ? 1 : 0;
2310 /*act_height should be 2 pix align for interlace output*/
2311 if (win_par->area_par[i].yact % 2 == 1) {
2312 win_par->area_par[i].yact -= 1;
2313 win_par->area_par[i].ysize -= 1;
2316 /* buf offset should be 2 pix align*/
2317 if ((win_par->area_par[i].x_offset % 2 == 1) &&
2318 IS_YUV_FMT(fb_data_fmt)) {
2319 win_par->area_par[i].x_offset += 1;
2320 win_par->area_par[i].xact -= 1;
2323 /* visiable pos in panel */
2324 reg_win_data->reg_area_data[i].xpos = win_par->area_par[i].xpos;
2325 reg_win_data->reg_area_data[i].ypos = win_par->area_par[i].ypos;
2327 /* realy size in panel */
2328 reg_win_data->reg_area_data[i].xsize = win_par->area_par[i].xsize;
2329 reg_win_data->reg_area_data[i].ysize = win_par->area_par[i].ysize;
2331 /* realy size in panel */
2332 reg_win_data->reg_area_data[i].xact = win_par->area_par[i].xact;
2333 reg_win_data->reg_area_data[i].yact = win_par->area_par[i].yact;
2335 xoffset = win_par->area_par[i].x_offset; /* buf offset */
2336 yoffset = win_par->area_par[i].y_offset;
2337 reg_win_data->reg_area_data[i].xoff = xoffset;
2338 reg_win_data->reg_area_data[i].yoff = yoffset;
2340 xvir = win_par->area_par[i].xvir;
2341 reg_win_data->reg_area_data[i].xvir = xvir;
2342 yvir = win_par->area_par[i].yvir;
2343 reg_win_data->reg_area_data[i].yvir = yvir;
2345 vir_width_bit = pixel_width * xvir;
2346 /* pixel_width = byte_num*8 */
2347 stride_32bit_1 = ((vir_width_bit + 31) & (~31)) / 8;
2348 stride_32bit_2 = ((vir_width_bit * 2 + 31) & (~31)) / 8;
2350 stride = stride_32bit_1; /* default rgb */
2351 fix->line_length = stride;
2352 reg_win_data->reg_area_data[i].y_vir_stride = stride >> 2;
2354 /* x y mirror ,jump line
2355 * reg_win_data->reg_area_data[i].y_offset =
2356 * yoffset*stride+xoffset*pixel_width/8;
2358 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2359 if (screen->interlace == 1) {
2360 reg_win_data->reg_area_data[i].y_offset =
2361 yoffset * stride * 2 +
2362 ((reg_win_data->reg_area_data[i].yact - 1) * 2 + 1) * stride +
2363 xoffset * pixel_width / 8;
2365 reg_win_data->reg_area_data[i].y_offset =
2367 (reg_win_data->reg_area_data[i].yact - 1) * stride +
2368 xoffset * pixel_width / 8;
2371 if (screen->interlace == 1) {
2372 reg_win_data->reg_area_data[i].y_offset =
2373 yoffset * stride * 2 +
2374 xoffset * pixel_width / 8;
2376 reg_win_data->reg_area_data[i].y_offset =
2378 xoffset * pixel_width / 8;
2381 if (IS_RGB_FMT(fb_data_fmt) && dev_drv->iommu_enabled) {
2382 buff_len = reg_win_data->reg_area_data[i].y_offset +
2383 reg_win_data->reg_area_data[i].xvir *
2384 reg_win_data->reg_area_data[i].yact *
2386 reg_win_data->reg_area_data[i].xoff*
2388 if (buff_len > reg_win_data->reg_area_data[i].buff_len)
2389 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2391 "=buff_len[0x%x]>>mmu len=0x%x\n",
2393 reg_win_data->reg_area_data[i].xvir,
2394 reg_win_data->reg_area_data[i].yact,
2395 pixel_width, buff_len,
2396 reg_win_data->reg_area_data[i].buff_len);
2400 global_a = (win_par->g_alpha_val == 0) ? 0 : 1;
2401 reg_win_data->alpha_en = ppixel_a | global_a;
2402 reg_win_data->g_alpha_val = win_par->g_alpha_val;
2403 reg_win_data->alpha_mode = win_par->alpha_mode;
2405 switch (fb_data_fmt) {
2409 stride = stride_32bit_1;
2410 uv_stride = stride_32bit_1;
2413 fix->line_length = stride;
2414 uv_y_act = win_par->area_par[0].yact >> 1;
2416 case YUV420: /* nv12 */
2417 case YUV420_NV21: /* nv21 */
2420 stride = stride_32bit_1;
2421 uv_stride = stride_32bit_1;
2423 uv_y_off = yoffset >> 1;
2424 fix->line_length = stride;
2425 uv_y_act = win_par->area_par[0].yact >> 1;
2430 stride = stride_32bit_1;
2431 uv_stride = stride_32bit_2;
2432 uv_x_off = xoffset * 2;
2434 fix->line_length = stride << 2;
2435 uv_y_act = win_par->area_par[0].yact;
2440 if (is_pic_yuv == 1) {
2441 reg_win_data->reg_area_data[0].cbr_start =
2442 reg_win_data->reg_area_data[0].smem_start + xvir * yvir;
2443 reg_win_data->reg_area_data[0].uv_vir_stride = uv_stride >> 2;
2444 if ((screen->y_mirror == 1) || (reg_win_data->mirror_en)) {
2445 if (screen->interlace == 1) {
2446 reg_win_data->reg_area_data[0].c_offset =
2447 uv_y_off * uv_stride * 2 +
2448 ((uv_y_act - 1) * 2 + 1) * uv_stride +
2449 uv_x_off * pixel_width / 8;
2451 reg_win_data->reg_area_data[0].c_offset =
2452 uv_y_off * uv_stride +
2453 (uv_y_act - 1) * uv_stride +
2454 uv_x_off * pixel_width / 8;
2457 if (screen->interlace == 1) {
2458 reg_win_data->reg_area_data[0].c_offset =
2459 uv_y_off * uv_stride * 2 +
2460 uv_x_off * pixel_width / 8;
2462 reg_win_data->reg_area_data[0].c_offset =
2463 uv_y_off * uv_stride +
2464 uv_x_off * pixel_width / 8;
2467 buff_len = reg_win_data->reg_area_data[0].cbr_start +
2468 reg_win_data->reg_area_data[0].c_offset +
2469 reg_win_data->reg_area_data[0].xvir *
2470 reg_win_data->reg_area_data[0].yact *
2472 reg_win_data->reg_area_data[0].smem_start -
2473 reg_win_data->reg_area_data[0].xoff*
2475 if ((buff_len > reg_win_data->reg_area_data[0].buff_len) &&
2476 dev_drv->iommu_enabled)
2477 pr_err("\n!!!!!!error: fmt=%d,xvir[%d]*"
2479 "=buff_len[0x%x]>>mmu len=0x%x\n",
2481 reg_win_data->reg_area_data[0].xvir,
2482 reg_win_data->reg_area_data[0].yact,
2483 pixel_width, buff_len,
2484 reg_win_data->reg_area_data[0].buff_len);
2487 /* record buffer information for rk_fb_disp_scale to prevent fence
2488 * timeout because rk_fb_disp_scale will call function
2489 * info->fbops->fb_set_par(info);
2490 * delete by hjc for new hdmi overscan framework.
2492 /* info->var.yoffset = yoffset;
2493 * info->var.xoffset = xoffset;
2498 static int rk_fb_set_win_config(struct fb_info *info,
2499 struct rk_fb_win_cfg_data *win_data)
2501 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2502 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2503 struct rk_fb_reg_data *regs;
2505 struct sync_fence *release_fence[RK_MAX_BUF_NUM];
2506 struct sync_fence *retire_fence;
2507 struct sync_pt *release_sync_pt[RK_MAX_BUF_NUM];
2508 struct sync_pt *retire_sync_pt;
2509 char fence_name[20];
2511 int ret = 0, i, j = 0;
2512 int list_is_empty = 0;
2513 struct rk_screen *screen = dev_drv->cur_screen;
2515 mutex_lock(&dev_drv->output_lock);
2517 for (i = 0; i < 4; i++) {
2518 for (j = 0; j < 4; j++) {
2519 if ((win_data->win_par[i].area_par[j].ion_fd > 0) ||
2520 (win_data->win_par[i].area_par[j].phy_addr > 0))
2521 ret += rk_fb_check_config_var(
2522 &win_data->win_par[i].area_par[j],
2526 if ((dev_drv->suspend_flag) || (dev_drv->hdmi_switch) || (ret < 0)) {
2527 dev_drv->timeline_max++;
2528 sw_sync_timeline_inc(dev_drv->timeline, 1);
2529 if (dev_drv->suspend_flag)
2530 pr_err("suspend_flag=%d\n", dev_drv->suspend_flag);
2531 else if (dev_drv->hdmi_switch)
2532 pr_err("hdmi switch = %d\n", dev_drv->hdmi_switch);
2534 pr_err("error config ,ignore\n");
2535 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2536 win_data->rel_fence_fd[j] = -1;
2537 win_data->ret_fence_fd = -1;
2541 regs = kzalloc(sizeof(struct rk_fb_reg_data), GFP_KERNEL);
2543 pr_info("could not allocate rk_fb_reg_data\n");
2548 for (i = 0, j = 0; i < dev_drv->lcdc_win_num; i++) {
2549 if (win_data->win_par[i].win_id < dev_drv->lcdc_win_num) {
2550 if (rk_fb_set_win_buffer(info, &win_data->win_par[i],
2551 ®s->reg_win_data[j])) {
2553 pr_info("error:%s[%d]\n", __func__, __LINE__);
2556 if (regs->reg_win_data[j].area_num > 0) {
2559 regs->reg_win_data[j].area_buf_num;
2563 pr_info("error:win_id bigger than lcdc_win_num\n");
2564 pr_info("i=%d,win_id=%d\n", i,
2565 win_data->win_par[i].win_id);
2568 if (dev_drv->property.feature & SUPPORT_WRITE_BACK)
2569 rk_fb_set_wb_buffer(info, &win_data->wb_cfg,
2570 ®s->reg_wb_data);
2571 if (regs->win_num <= 0)
2572 goto err_null_frame;
2574 dev_drv->timeline_max++;
2576 win_data->ret_fence_fd = get_unused_fd_flags(0);
2577 if (win_data->ret_fence_fd < 0) {
2578 pr_err("ret_fence_fd=%d\n", win_data->ret_fence_fd);
2579 win_data->ret_fence_fd = -1;
2583 for (i = 0; i < RK_MAX_BUF_NUM; i++) {
2584 if (i < regs->buf_num) {
2585 sprintf(fence_name, "fence%d", i);
2586 win_data->rel_fence_fd[i] = get_unused_fd_flags(0);
2587 if (win_data->rel_fence_fd[i] < 0) {
2588 pr_info("rel_fence_fd=%d\n",
2589 win_data->rel_fence_fd[i]);
2593 release_sync_pt[i] =
2594 sw_sync_pt_create(dev_drv->timeline,
2595 dev_drv->timeline_max);
2597 sync_fence_create(fence_name, release_sync_pt[i]);
2598 sync_fence_install(release_fence[i],
2599 win_data->rel_fence_fd[i]);
2601 win_data->rel_fence_fd[i] = -1;
2606 sw_sync_pt_create(dev_drv->timeline, dev_drv->timeline_max);
2607 retire_fence = sync_fence_create("ret_fence", retire_sync_pt);
2608 sync_fence_install(retire_fence, win_data->ret_fence_fd);
2610 for (i = 0; i < RK_MAX_BUF_NUM; i++)
2611 win_data->rel_fence_fd[i] = -1;
2613 win_data->ret_fence_fd = -1;
2615 if (dev_drv->wait_fs == 0) {
2616 mutex_lock(&dev_drv->update_regs_list_lock);
2617 list_add_tail(®s->list, &dev_drv->update_regs_list);
2618 mutex_unlock(&dev_drv->update_regs_list_lock);
2619 queue_kthread_work(&dev_drv->update_regs_worker,
2620 &dev_drv->update_regs_work);
2622 mutex_lock(&dev_drv->update_regs_list_lock);
2623 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
2624 list_empty(&dev_drv->saved_list);
2625 mutex_unlock(&dev_drv->update_regs_list_lock);
2626 if (!list_is_empty) {
2627 ret = wait_event_timeout(dev_drv->update_regs_wait,
2628 list_empty(&dev_drv->update_regs_list) && list_empty(&dev_drv->saved_list),
2629 msecs_to_jiffies(60));
2631 rk_fb_update_reg(dev_drv, regs);
2633 pr_info("%s: wait update_regs_wait timeout\n", __func__);
2634 } else if (ret == 0) {
2635 rk_fb_update_reg(dev_drv, regs);
2638 if (rk_fb_debug_lvl > 0)
2639 rk_fb_config_debug(dev_drv, win_data, regs, rk_fb_debug_lvl);
2640 if (rk_fb_iommu_debug > 0)
2641 rk_fb_config_backup(dev_drv, win_data, regs);
2643 mutex_unlock(&dev_drv->output_lock);
2646 for (j = 0; j < RK_MAX_BUF_NUM; j++)
2647 win_data->rel_fence_fd[j] = -1;
2648 win_data->ret_fence_fd = -1;
2649 pr_info("win num = %d,null frame\n", regs->win_num);
2652 mutex_unlock(&dev_drv->output_lock);
2658 static int cfgdone_distlist[10] = { 0 };
2660 static int cfgdone_index;
2661 static int cfgdone_lasttime;
2663 int rk_get_real_fps(int before)
2665 struct timespec now;
2671 int index = cfgdone_index;
2680 getnstimeofday(&now);
2681 dist_curr = (now.tv_sec * 1000000 + now.tv_nsec / 1000) -
2684 for (i = 0; i < 10; i++) {
2687 total += cfgdone_distlist[index];
2689 dist_first = cfgdone_distlist[index];
2690 if (total < (before * 1000)) {
2691 dist_total += cfgdone_distlist[index];
2698 dist_curr = (dist_curr > dist_first) ? dist_curr : dist_first;
2699 dist_total += dist_curr;
2703 fps = (1000000 * dist_count) / dist_total;
2709 EXPORT_SYMBOL(rk_get_real_fps);
2713 static struct ion_handle *ion_hanle[ION_MAX];
2714 static struct ion_handle *ion_hwc[1];
2715 static int rk_fb_ioctl(struct fb_info *info, unsigned int cmd,
2718 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2719 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2720 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2721 struct fb_fix_screeninfo *fix = &info->fix;
2722 struct rk_lcdc_win *win;
2723 int enable; /* enable fb:1 enable;0 disable */
2724 int ovl; /* overlay:0 win1 on the top of win0;1,win0 on the top of win1 */
2725 int num_buf; /* buffer_number */
2727 struct rk_fb_win_cfg_data win_data;
2728 unsigned int dsp_addr[4][4];
2731 int win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
2732 void __user *argp = (void __user *)arg;
2734 win = dev_drv->win[win_id];
2736 case RK_FBIOSET_HWC_ADDR:
2740 if (copy_from_user(hwc_phy, argp, 4))
2742 if (!dev_drv->iommu_enabled) {
2743 fix->smem_start = hwc_phy[0];
2746 struct ion_handle *hdl;
2747 ion_phys_addr_t phy_addr;
2750 usr_fd = hwc_phy[0];
2752 fix->smem_start = 0;
2753 fix->mmio_start = 0;
2754 dev_drv->ops->open(dev_drv, win_id, 0);
2758 if (ion_hwc[0] != 0) {
2759 ion_free(rk_fb->ion_client, ion_hwc[0]);
2763 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2765 dev_err(info->dev, "failed to get hwc ion handle:%ld\n",
2770 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2771 (unsigned long *)&phy_addr,
2772 (unsigned long *)&len);
2774 dev_err(info->dev, "ion map to get hwc phy addr failed");
2775 ion_free(rk_fb->ion_client, hdl);
2778 fix->smem_start = phy_addr;
2783 case RK_FBIOSET_YUV_ADDR:
2787 if (copy_from_user(yuv_phy, argp, 8))
2789 if (!dev_drv->iommu_enabled || !strcmp(info->fix.id, "fb0")) {
2790 fix->smem_start = yuv_phy[0];
2791 fix->mmio_start = yuv_phy[1];
2793 int usr_fd, offset, tmp;
2794 struct ion_handle *hdl;
2795 ion_phys_addr_t phy_addr;
2798 usr_fd = yuv_phy[0];
2799 offset = yuv_phy[1] - yuv_phy[0];
2801 fix->smem_start = 0;
2802 fix->mmio_start = 0;
2806 if (ion_hanle[ION_MAX - 1] != 0) {
2807 /*ion_unmap_kernel(rk_fb->ion_client,
2808 * ion_hanle[ION_MAX - 1]);
2809 *ion_unmap_iommu(dev_drv->dev,
2810 * rk_fb->ion_client,
2811 * ion_hanle[ION_MAX - 1]);
2813 ion_free(rk_fb->ion_client, ion_hanle[ION_MAX - 1]);
2814 ion_hanle[ION_MAX - 1] = 0;
2817 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2819 dev_err(info->dev, "failed to get ion handle:%ld\n",
2824 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, hdl,
2825 (unsigned long *)&phy_addr,
2826 (unsigned long *)&len);
2828 dev_err(info->dev, "ion map to get phy addr failed");
2829 ion_free(rk_fb->ion_client, hdl);
2832 fix->smem_start = phy_addr;
2833 fix->mmio_start = phy_addr + offset;
2834 fix->smem_len = len;
2835 /*info->screen_base =
2836 * ion_map_kernel(rk_fb->ion_client, hdl);
2839 for (tmp = ION_MAX - 1; tmp > 0; tmp--)
2840 ion_hanle[tmp] = ion_hanle[tmp - 1];
2845 case RK_FBIOSET_ENABLE:
2846 if (copy_from_user(&enable, argp, sizeof(enable)))
2848 if (enable && fb_par->state)
2852 dev_drv->ops->open(dev_drv, win_id, enable);
2854 case RK_FBIOGET_ENABLE:
2855 enable = dev_drv->ops->get_win_state(dev_drv, win_id, 0);
2856 if (copy_to_user(argp, &enable, sizeof(enable)))
2859 case RK_FBIOSET_OVERLAY_STA:
2860 if (copy_from_user(&ovl, argp, sizeof(ovl)))
2862 dev_drv->ops->ovl_mgr(dev_drv, ovl, 1);
2864 case RK_FBIOGET_OVERLAY_STA:
2865 ovl = dev_drv->ops->ovl_mgr(dev_drv, 0, 0);
2866 if (copy_to_user(argp, &ovl, sizeof(ovl)))
2869 case RK_FBIOPUT_NUM_BUFFERS:
2870 if (copy_from_user(&num_buf, argp, sizeof(num_buf)))
2872 dev_drv->num_buf = num_buf;
2874 case RK_FBIOSET_VSYNC_ENABLE:
2875 if (copy_from_user(&enable, argp, sizeof(enable)))
2877 dev_drv->vsync_info.active = enable;
2880 case RK_FBIOGET_DSP_ADDR:
2881 dev_drv->ops->get_dsp_addr(dev_drv, dsp_addr);
2882 if (copy_to_user(argp, &dsp_addr, sizeof(dsp_addr)))
2885 case RK_FBIOGET_LIST_STA:
2886 list_stat = rk_fb_get_list_stat(dev_drv);
2887 if (copy_to_user(argp, &list_stat, sizeof(list_stat)))
2891 case RK_FBIOGET_IOMMU_STA:
2892 if (copy_to_user(argp, &dev_drv->iommu_enabled,
2893 sizeof(dev_drv->iommu_enabled)))
2896 #if defined(CONFIG_ION_ROCKCHIP)
2897 case RK_FBIOSET_DMABUF_FD:
2900 struct ion_handle *hdl;
2901 ion_phys_addr_t phy_addr;
2904 if (copy_from_user(&usr_fd, argp, sizeof(usr_fd)))
2907 hdl = ion_import_dma_buf(rk_fb->ion_client, usr_fd);
2908 ion_phys(rk_fb->ion_client, hdl, &phy_addr, &len);
2909 fix->smem_start = phy_addr;
2912 case RK_FBIOGET_DMABUF_FD:
2916 if (IS_ERR_OR_NULL(fb_par->ion_hdl)) {
2918 "get dma_buf fd failed,ion handle is err\n");
2919 return PTR_ERR(fb_par->ion_hdl);
2921 fd = ion_share_dma_buf_fd(rk_fb->ion_client,
2925 "ion_share_dma_buf_fd failed\n");
2928 if (copy_to_user(argp, &fd, sizeof(fd)))
2933 case RK_FBIOSET_CLEAR_FB:
2934 memset(fb_par->fb_virt_base, 0, fb_par->fb_size);
2936 case RK_FBIOSET_CONFIG_DONE:
2939 struct timespec now;
2941 getnstimeofday(&now);
2942 curr = now.tv_sec * 1000000 + now.tv_nsec / 1000;
2943 cfgdone_distlist[cfgdone_index++] =
2944 curr - cfgdone_lasttime;
2945 cfgdone_lasttime = curr;
2946 if (cfgdone_index >= 10)
2949 if (copy_from_user(&win_data,
2950 (struct rk_fb_win_cfg_data __user *)argp,
2951 sizeof(win_data))) {
2956 dev_drv->wait_fs = win_data.wait_fs;
2957 ret = rk_fb_set_win_config(info, &win_data);
2959 if (copy_to_user((struct rk_fb_win_cfg_data __user *)arg,
2960 &win_data, sizeof(win_data))) {
2964 memset(&win_data, 0, sizeof(struct rk_fb_win_cfg_data));
2966 if (dev_drv->uboot_logo)
2967 dev_drv->uboot_logo = 0;
2971 dev_drv->ops->ioctl(dev_drv, cmd, arg, win_id);
2978 static int rk_fb_blank(int blank_mode, struct fb_info *info)
2980 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
2981 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
2982 struct fb_fix_screeninfo *fix = &info->fix;
2984 #if defined(CONFIG_RK_HDMI)
2985 struct rk_fb *rk_fb = dev_get_drvdata(info->device);
2988 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fix->id);
2991 mutex_lock(&dev_drv->switch_screen);
2992 #if defined(CONFIG_RK_HDMI)
2993 if ((rk_fb->disp_mode == ONE_DUAL) &&
2994 (hdmi_get_hotplug() == HDMI_HPD_ACTIVED)) {
2995 pr_info("hdmi is connect , not blank lcdc\n");
2999 dev_drv->ops->blank(dev_drv, win_id, blank_mode);
3001 mutex_unlock(&dev_drv->switch_screen);
3005 static int rk_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
3007 if ((0 == var->xres_virtual) || (0 == var->yres_virtual) ||
3008 (0 == var->xres) || (0 == var->yres) || (var->xres < 16) ||
3009 ((16 != var->bits_per_pixel) &&
3010 (32 != var->bits_per_pixel) &&
3011 (24 != var->bits_per_pixel))) {
3012 dev_err(info->dev, "%s check var fail 1:\n"
3013 "xres_vir:%d>>yres_vir:%d\n"
3014 "xres:%d>>yres:%d\n"
3015 "bits_per_pixel:%d\n",
3019 var->xres, var->yres, var->bits_per_pixel);
3023 if (((var->xoffset + var->xres) > var->xres_virtual) ||
3024 ((var->yoffset + var->yres) > (var->yres_virtual))) {
3025 dev_err(info->dev, "%s check_var fail 2:\n"
3026 "xoffset:%d>>xres:%d>>xres_vir:%d\n"
3027 "yoffset:%d>>yres:%d>>yres_vir:%d\n",
3032 var->yoffset, var->yres, var->yres_virtual);
3039 static ssize_t rk_fb_read(struct fb_info *info, char __user *buf,
3040 size_t count, loff_t *ppos)
3042 unsigned long p = *ppos;
3045 int c, cnt = 0, err = 0;
3046 unsigned long total_size;
3047 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3048 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3049 struct rk_lcdc_win *win = NULL;
3052 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3056 win = dev_drv->win[win_id];
3058 /* only read the current frame buffer */
3059 if (win->area[0].format == RGB565) {
3060 total_size = win->area[0].y_vir_stride * win->area[0].yact << 1;
3061 } else if ((win->area[0].format == YUV420) ||
3062 (win->area[0].format == YUV420_NV21)) {
3064 (win->area[0].y_vir_stride * win->area[0].yact * 6);
3066 total_size = win->area[0].y_vir_stride * win->area[0].yact << 2;
3068 if (p >= total_size)
3071 if (count >= total_size)
3074 if (count + p > total_size)
3075 count = total_size - p;
3077 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3081 src = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3084 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3086 fb_memcpy_fromfb(dst, src, c);
3090 if (copy_to_user(buf, buffer, c)) {
3102 return (err) ? err : cnt;
3105 static ssize_t rk_fb_write(struct fb_info *info, const char __user *buf,
3106 size_t count, loff_t *ppos)
3108 unsigned long p = *ppos;
3111 int c, cnt = 0, err = 0;
3112 unsigned long total_size;
3113 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3114 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3115 struct rk_lcdc_win *win = NULL;
3118 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3122 win = dev_drv->win[win_id];
3124 /* write the current frame buffer */
3125 if (win->area[0].format == RGB565)
3126 total_size = win->area[0].xact * win->area[0].yact << 1;
3128 total_size = win->area[0].xact * win->area[0].yact << 2;
3133 if (count > total_size) {
3138 if (count + p > total_size) {
3142 count = total_size - p;
3145 buffer = kmalloc((count > PAGE_SIZE) ? PAGE_SIZE : count, GFP_KERNEL);
3149 dst = (u8 __iomem *)(info->screen_base + p + win->area[0].y_offset);
3152 c = (count > PAGE_SIZE) ? PAGE_SIZE : count;
3155 if (copy_from_user(src, buf, c)) {
3160 fb_memcpy_tofb(dst, src, c);
3171 return (cnt) ? cnt : err;
3174 static int rk_fb_set_par(struct fb_info *info)
3176 struct fb_var_screeninfo *var = &info->var;
3177 struct fb_fix_screeninfo *fix = &info->fix;
3178 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3179 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3180 struct rk_lcdc_win *win = NULL;
3181 struct rk_screen *screen = dev_drv->cur_screen;
3183 u16 xsize = 0, ysize = 0; /* winx display window height/width --->LCDC_WINx_DSP_INFO */
3184 u32 xoffset = var->xoffset; /* offset from virtual to visible */
3185 u32 yoffset = var->yoffset;
3186 u16 xpos = (var->nonstd >> 8) & 0xfff; /*visiable pos in panel */
3187 u16 ypos = (var->nonstd >> 20) & 0xfff;
3188 u32 xvir = var->xres_virtual;
3189 u8 data_format = var->nonstd & 0xff;
3193 u32 stride, uv_stride = 0;
3196 u16 uv_x_off, uv_y_off, uv_y_act;
3198 /*var->pixclock = dev_drv->pixclock;*/
3199 if (dev_drv->suspend_flag)
3201 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3205 win = dev_drv->win[win_id];
3207 /* if the application has specific the hor and ver display size */
3208 if (var->grayscale >> 8) {
3209 xsize = (var->grayscale >> 8) & 0xfff;
3210 ysize = (var->grayscale >> 20) & 0xfff;
3211 if (xsize > screen->mode.xres)
3212 xsize = screen->mode.xres;
3213 if (ysize > screen->mode.yres)
3214 ysize = screen->mode.yres;
3215 } else { /*ohterwise full screen display */
3216 xsize = screen->mode.xres;
3217 ysize = screen->mode.yres;
3220 win->colorspace = CSC_FORMAT(data_format);
3221 data_format &= ~CSC_MASK;
3222 fb_data_fmt = rk_fb_data_fmt(data_format, var->bits_per_pixel);
3223 if (IS_FBDC_FMT(fb_data_fmt)) {
3224 win->area[0].fbdc_en = 1;
3225 win->area[0].fbdc_cor_en = 1;
3227 win->area[0].fbdc_en = 0;
3228 win->area[0].fbdc_cor_en = 0;
3230 pixel_width = rk_fb_pixel_width(fb_data_fmt);
3231 vir_width_bit = pixel_width * xvir;
3232 /* pixel_width = byte_num * 8 */
3233 stride_32bit_1 = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
3234 stride_32bit_2 = ALIGN_N_TIMES(vir_width_bit * 2, 32) / 8;
3236 switch (fb_data_fmt) {
3240 stride = stride_32bit_1;
3241 uv_stride = stride_32bit_1;
3244 fix->line_length = stride;
3245 uv_y_act = win->area[0].yact >> 1;
3247 case YUV420: /* nv12 */
3248 case YUV420_NV21: /* nv21 */
3251 stride = stride_32bit_1;
3252 uv_stride = stride_32bit_1;
3254 uv_y_off = yoffset >> 1;
3255 fix->line_length = stride;
3256 uv_y_act = win->area[0].yact >> 1;
3261 stride = stride_32bit_1;
3262 uv_stride = stride_32bit_2;
3263 uv_x_off = xoffset * 2;
3265 fix->line_length = stride << 2;
3266 uv_y_act = win->area[0].yact;
3269 stride = stride_32bit_1; /* default rgb */
3270 fix->line_length = stride;
3274 win->area[0].format = fb_data_fmt;
3275 win->area[0].y_vir_stride = stride >> 2;
3276 win->area[0].uv_vir_stride = uv_stride >> 2;
3277 win->area[0].xpos = xpos;
3278 win->area[0].ypos = ypos;
3279 win->area[0].xsize = xsize;
3280 win->area[0].ysize = ysize;
3281 win->area[0].xact = var->xres; /* winx active window height,is a wint of vir */
3282 win->area[0].yact = var->yres;
3283 win->area[0].xvir = var->xres_virtual; /* virtual resolution stride --->LCDC_WINx_VIR */
3284 win->area[0].yvir = var->yres_virtual;
3285 win->area[0].xoff = xoffset;
3286 win->area[0].yoff = yoffset;
3289 win->last_state = 1;
3292 win->alpha_mode = 4; /* AB_SRC_OVER; */
3293 win->alpha_en = ((win->area[0].format == ARGB888) ||
3294 (win->area[0].format == FBDC_ARGB_888) ||
3295 (win->area[0].format == FBDC_ABGR_888) ||
3296 (win->area[0].format == ABGR888)) ? 1 : 0;
3297 win->g_alpha_val = 0;
3299 dev_drv->ops->set_par(dev_drv, win_id);
3304 static inline unsigned int chan_to_field(unsigned int chan,
3305 struct fb_bitfield *bf)
3308 chan >>= 16 - bf->length;
3309 return chan << bf->offset;
3312 static int fb_setcolreg(unsigned regno,
3313 unsigned red, unsigned green, unsigned blue,
3314 unsigned transp, struct fb_info *info)
3318 switch (info->fix.visual) {
3319 case FB_VISUAL_TRUECOLOR:
3320 /* true-colour, use pseudo-palette */
3322 u32 *pal = info->pseudo_palette;
3324 val = chan_to_field(red, &info->var.red);
3325 val |= chan_to_field(green, &info->var.green);
3326 val |= chan_to_field(blue, &info->var.blue);
3331 return -1; /* unknown type */
3337 static int rk_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
3339 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3340 struct rk_fb_par *fb_par = (struct rk_fb_par *)info->par;
3341 struct ion_handle *handle = fb_par->ion_hdl;
3342 struct dma_buf *dma_buf = NULL;
3344 if (IS_ERR_OR_NULL(handle)) {
3345 dev_err(info->dev, "failed to get ion handle:%ld\n",
3349 dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3350 if (IS_ERR_OR_NULL(dma_buf)) {
3351 pr_info("get ion share dma buf failed\n");
3355 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
3357 return dma_buf_mmap(dma_buf, vma, 0);
3360 static struct fb_ops fb_ops = {
3361 .owner = THIS_MODULE,
3362 .fb_open = rk_fb_open,
3363 .fb_release = rk_fb_close,
3364 .fb_check_var = rk_fb_check_var,
3365 .fb_set_par = rk_fb_set_par,
3366 .fb_blank = rk_fb_blank,
3367 .fb_ioctl = rk_fb_ioctl,
3368 .fb_compat_ioctl = rk_fb_ioctl,
3369 .fb_pan_display = rk_fb_pan_display,
3370 .fb_read = rk_fb_read,
3371 .fb_write = rk_fb_write,
3372 .fb_setcolreg = fb_setcolreg,
3373 .fb_fillrect = cfb_fillrect,
3374 .fb_copyarea = cfb_copyarea,
3375 .fb_imageblit = cfb_imageblit,
3378 static struct fb_var_screeninfo def_var = {
3379 #if defined(CONFIG_LOGO_LINUX_BMP)
3383 .transp = {0, 0, 0},
3384 .nonstd = HAL_PIXEL_FORMAT_BGRA_8888,
3389 .transp = {0, 0, 0},
3390 .nonstd = HAL_PIXEL_FORMAT_RGB_565, /* (ypos<<20+xpos<<8+format) format */
3392 .grayscale = 0, /* (ysize<<20+xsize<<8) */
3393 .activate = FB_ACTIVATE_NOW,
3395 .vmode = FB_VMODE_NONINTERLACED,
3398 static struct fb_fix_screeninfo def_fix = {
3399 .type = FB_TYPE_PACKED_PIXELS,
3404 .accel = FB_ACCEL_NONE,
3405 .visual = FB_VISUAL_TRUECOLOR,
3409 static int rk_fb_wait_for_vsync_thread(void *data)
3411 struct rk_lcdc_driver *dev_drv = data;
3412 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3413 struct fb_info *fbi = rk_fb->fb[dev_drv->fb_index_base];
3415 while (!kthread_should_stop()) {
3416 ktime_t timestamp = dev_drv->vsync_info.timestamp;
3417 int ret = wait_event_interruptible(dev_drv->vsync_info.wait,
3418 !ktime_equal(timestamp, dev_drv->vsync_info.timestamp) &&
3419 (dev_drv->vsync_info.active || dev_drv->vsync_info.irq_stop));
3422 sysfs_notify(&fbi->dev->kobj, NULL, "vsync");
3428 static ssize_t rk_fb_vsync_show(struct device *dev,
3429 struct device_attribute *attr, char *buf)
3431 struct fb_info *fbi = dev_get_drvdata(dev);
3432 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3433 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3435 return scnprintf(buf, PAGE_SIZE, "%llu\n",
3436 ktime_to_ns(dev_drv->vsync_info.timestamp));
3439 static DEVICE_ATTR(vsync, S_IRUGO, rk_fb_vsync_show, NULL);
3442 * this two function is for other module that in the kernel which
3443 * need show image directly through fb
3444 * fb_id:we have 4 fb here,default we use fb0 for ui display
3446 struct fb_info *rk_get_fb(int fb_id)
3448 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3449 struct fb_info *fb = inf->fb[fb_id];
3452 EXPORT_SYMBOL(rk_get_fb);
3454 void rk_direct_fb_show(struct fb_info *fbi)
3457 rk_fb_pan_display(&fbi->var, fbi);
3459 EXPORT_SYMBOL(rk_direct_fb_show);
3461 int rk_fb_dpi_open(bool open)
3463 struct rk_lcdc_driver *dev_drv = NULL;
3465 dev_drv = rk_get_prmry_lcdc_drv();
3466 if (dev_drv->ops->dpi_open)
3467 dev_drv->ops->dpi_open(dev_drv, open);
3471 int rk_fb_dpi_win_sel(int win_id)
3473 struct rk_lcdc_driver *dev_drv = NULL;
3475 dev_drv = rk_get_prmry_lcdc_drv();
3476 if (dev_drv->ops->dpi_win_sel)
3477 dev_drv->ops->dpi_win_sel(dev_drv, win_id);
3481 int rk_fb_dpi_status(void)
3484 struct rk_lcdc_driver *dev_drv = NULL;
3486 dev_drv = rk_get_prmry_lcdc_drv();
3487 if (dev_drv->ops->dpi_status)
3488 ret = dev_drv->ops->dpi_status(dev_drv);
3494 * function: this function will be called by display device, enable/disable lcdc
3495 * @screen: screen timing to be set to lcdc
3496 * @enable: 0 disable lcdc; 1 enable change lcdc timing; 2 just enable dclk
3497 * @lcdc_id: the lcdc id the display device attached ,0 or 1
3499 int rk_fb_switch_screen(struct rk_screen *screen, int enable, int lcdc_id)
3501 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3502 struct fb_info *info = NULL;
3503 struct rk_fb_par *fb_par = NULL;
3504 struct rk_lcdc_driver *dev_drv = NULL;
3505 struct rk_lcdc_win *win;
3508 static bool load_screen;
3512 int ret, list_is_empty = 0;
3514 if (unlikely(!rk_fb) || unlikely(!screen))
3517 /* get lcdc driver */
3518 sprintf(name, "lcdc%d", lcdc_id);
3519 dev_drv = rk_get_lcdc_drv(name);
3521 if (dev_drv == NULL) {
3522 pr_err("%s driver not found!", name);
3525 if (screen->type == SCREEN_HDMI)
3526 pr_info("hdmi %s lcdc%d\n",
3527 enable ? "connect to" : "remove from",
3529 else if (screen->type == SCREEN_TVOUT ||
3530 screen->type == SCREEN_TVOUT_TEST)
3531 pr_info("cvbs %s lcdc%d\n",
3532 enable ? "connect to" : "remove from",
3534 if (enable == 2 /*&& dev_drv->enable*/)
3536 pr_info("switch:en=%d,lcdc_id=%d,screen type=%d,cur type=%d\n",
3537 enable, lcdc_id, screen->type, dev_drv->cur_screen->type);
3539 mutex_lock(&dev_drv->switch_screen);
3540 hdmi_switch_state = 0;
3541 dev_drv->hdmi_switch = 1;
3542 if (!dev_drv->uboot_logo) {
3544 list_is_empty = list_empty(&dev_drv->update_regs_list) &&
3545 list_empty(&dev_drv->saved_list);
3546 if (!list_is_empty) {
3547 ret = wait_event_timeout(dev_drv->update_regs_wait,
3548 list_empty(&dev_drv->update_regs_list) &&
3549 list_empty(&dev_drv->saved_list),
3550 msecs_to_jiffies(60));
3552 pr_info("%s: wait update_regs_wait timeout\n",
3557 envp[0] = "switch vop screen";
3558 memset(envplcdc, 0, sizeof(envplcdc));
3559 memset(envpfbdev, 0, sizeof(envpfbdev));
3560 sprintf(envplcdc, "SCREEN=%d,ENABLE=%d,VOPID=%d", screen->type, enable, dev_drv->id);
3561 sprintf(envpfbdev, "FBDEV=%d", dev_drv->fb_index_base);
3563 envp[2] = envpfbdev;
3566 if ((rk_fb->disp_mode == ONE_DUAL) ||
3567 (rk_fb->disp_mode == NO_DUAL)) {
3568 if ((dev_drv->ops->backlight_close) &&
3569 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3570 dev_drv->ops->backlight_close(dev_drv, 1);
3571 if (!dev_drv->uboot_logo || load_screen ||
3572 (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3573 if (dev_drv->ops->dsp_black)
3574 dev_drv->ops->dsp_black(dev_drv, 0);
3576 if ((dev_drv->ops->set_screen_scaler) &&
3577 (rk_fb->disp_mode == ONE_DUAL))
3578 dev_drv->ops->set_screen_scaler(dev_drv,
3579 dev_drv->screen0, 0);
3582 /* if screen type is different, we do not disable lcdc. */
3583 if (dev_drv->cur_screen->type != screen->type) {
3584 dev_drv->hdmi_switch = 0;
3585 mutex_unlock(&dev_drv->switch_screen);
3589 /* if used one lcdc to dual disp, no need to close win */
3590 if ((rk_fb->disp_mode == ONE_DUAL) ||
3591 ((rk_fb->disp_mode == NO_DUAL) &&
3592 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))) {
3593 dev_drv->cur_screen = dev_drv->screen0;
3594 dev_drv->ops->load_screen(dev_drv, 1);
3595 /* force modify dsp size */
3596 info = rk_fb->fb[dev_drv->fb_index_base];
3597 info->var.grayscale &= 0xff;
3598 info->var.grayscale |=
3599 (dev_drv->cur_screen->mode.xres << 8) +
3600 (dev_drv->cur_screen->mode.yres << 20);
3601 mutex_lock(&dev_drv->win_config);
3602 info->var.xoffset = 0;
3603 info->var.yoffset = 0;
3604 info->fbops->fb_set_par(info);
3605 info->fbops->fb_pan_display(&info->var, info);
3606 mutex_unlock(&dev_drv->win_config);
3609 * if currently is loader display, black until new
3612 if (dev_drv->uboot_logo) {
3613 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3614 if (dev_drv->win[i] && dev_drv->win[i]->state &&
3615 dev_drv->ops->win_direct_en)
3616 dev_drv->ops->win_direct_en(dev_drv, i, 0);
3620 /*if (dev_drv->ops->dsp_black)
3621 * dev_drv->ops->dsp_black(dev_drv, 0);
3623 if ((dev_drv->ops->backlight_close) &&
3624 (rk_fb->disp_policy != DISPLAY_POLICY_BOX))
3625 dev_drv->ops->backlight_close(dev_drv, 0);
3626 } else if (rk_fb->num_lcdc > 1) {
3627 /* If there is more than one lcdc device, we disable
3628 * the layer which attached to this device
3630 dev_drv->suspend_flag = 1;
3631 flush_kthread_worker(&dev_drv->update_regs_worker);
3632 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3633 if (dev_drv->win[i] && dev_drv->win[i]->state)
3634 dev_drv->ops->open(dev_drv, i, 0);
3637 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3639 hdmi_switch_state = 0;
3640 dev_drv->hdmi_switch = 0;
3641 mutex_unlock(&dev_drv->switch_screen);
3644 if (dev_drv->uboot_logo) {
3645 if (dev_drv->cur_screen->mode.xres !=
3646 screen->mode.xres ||
3647 dev_drv->cur_screen->mode.yres !=
3651 if (dev_drv->screen1)
3652 dev_drv->cur_screen = dev_drv->screen1;
3654 memcpy(dev_drv->cur_screen, screen, sizeof(struct rk_screen));
3655 dev_drv->cur_screen->xsize = dev_drv->cur_screen->mode.xres;
3656 dev_drv->cur_screen->ysize = dev_drv->cur_screen->mode.yres;
3657 dev_drv->cur_screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
3658 dev_drv->cur_screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
3660 if (!dev_drv->uboot_logo || load_screen ||
3661 (rk_fb->disp_policy != DISPLAY_POLICY_BOX)) {
3662 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
3663 info = rk_fb->fb[dev_drv->fb_index_base + i];
3664 fb_par = (struct rk_fb_par *)info->par;
3665 win_id = dev_drv->ops->fb_get_win_id(dev_drv, info->fix.id);
3666 win = dev_drv->win[win_id];
3667 if (win && fb_par->state) {
3668 dev_drv->ops->load_screen(dev_drv, 1);
3670 info->var.activate |= FB_ACTIVATE_FORCE;
3671 if (rk_fb->disp_mode == ONE_DUAL) {
3672 info->var.grayscale &= 0xff;
3673 info->var.grayscale |=
3674 (dev_drv->cur_screen->xsize << 8) +
3675 (dev_drv->cur_screen->ysize << 20);
3677 if (dev_drv->uboot_logo && win->state) {
3678 if (win->area[0].xpos ||
3679 win->area[0].ypos) {
3681 (screen->mode.xres -
3682 win->area[0].xsize) / 2;
3684 (screen->mode.yres -
3685 win->area[0].ysize) / 2;
3687 win->area[0].xsize =
3689 win->area[0].ysize =
3692 dev_drv->ops->set_par(dev_drv, i);
3693 dev_drv->ops->cfg_done(dev_drv);
3694 } else if (!dev_drv->win[win_id]->state) {
3695 dev_drv->ops->open(dev_drv, win_id, 1);
3696 dev_drv->suspend_flag = 0;
3697 /* mutex_lock(&dev_drv->win_config);
3698 * info->var.xoffset = 0;
3699 * info->var.yoffset = 0;
3700 * info->fbops->fb_set_par(info);
3701 * info->fbops->fb_pan_display(&info->var,
3703 * mutex_unlock(&dev_drv->win_config);
3709 dev_drv->ops->load_screen(dev_drv, 0);
3711 kobject_uevent_env(&dev_drv->dev->kobj, KOBJ_CHANGE, envp);
3713 hdmi_switch_state = 1;
3715 dev_drv->hdmi_switch = 0;
3716 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
3717 if ((dev_drv->ops->set_screen_scaler) &&
3718 (rk_fb->disp_mode == ONE_DUAL))
3719 dev_drv->ops->set_screen_scaler(dev_drv,
3720 dev_drv->screen0, 1);
3721 /*if (dev_drv->ops->dsp_black)
3722 * dev_drv->ops->dsp_black(dev_drv, 0);*/
3723 if ((dev_drv->ops->backlight_close) &&
3724 (rk_fb->disp_policy != DISPLAY_POLICY_BOX) &&
3725 (rk_fb->disp_mode == ONE_DUAL))
3726 dev_drv->ops->backlight_close(dev_drv, 0);
3728 mutex_unlock(&dev_drv->switch_screen);
3733 * function:this function current only called by hdmi for
3735 * scale_x: scale rate of x resolution
3736 * scale_y: scale rate of y resolution
3737 * lcdc_id: the lcdc id the hdmi attached ,0 or 1
3739 int rk_fb_disp_scale(u8 scale_x, u8 scale_y, u8 lcdc_id)
3741 struct rk_fb *inf = platform_get_drvdata(fb_pdev);
3742 struct fb_info *info = NULL;
3743 struct fb_info *pmy_info = NULL;
3744 struct fb_var_screeninfo *var = NULL;
3745 struct rk_lcdc_driver *dev_drv = NULL;
3746 u16 screen_x, screen_y;
3749 struct rk_screen primary_screen;
3751 rk_fb_get_prmry_screen(&primary_screen);
3752 if (primary_screen.type == SCREEN_HDMI)
3755 pr_err("should not be here--%s\n", __func__);
3758 sprintf(name, "lcdc%d", lcdc_id);
3760 if (inf->disp_mode == DUAL) {
3761 dev_drv = rk_get_lcdc_drv(name);
3763 pr_err("%s driver not found!", name);
3767 dev_drv = inf->lcdc_dev_drv[0];
3770 if (inf->num_lcdc == 1) {
3772 } else if (inf->num_lcdc == 2) {
3773 info = inf->fb[dev_drv->lcdc_win_num];
3774 pmy_info = inf->fb[0];
3778 screen_x = dev_drv->cur_screen->mode.xres;
3779 screen_y = dev_drv->cur_screen->mode.yres;
3781 if (inf->disp_mode != DUAL && dev_drv->screen1) {
3782 dev_drv->cur_screen->xpos =
3783 (screen_x - screen_x * scale_x / 100) >> 1;
3784 dev_drv->cur_screen->ypos =
3785 (screen_y - screen_y * scale_y / 100) >> 1;
3786 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3787 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3789 xpos = (screen_x - screen_x * scale_x / 100) >> 1;
3790 ypos = (screen_y - screen_y * scale_y / 100) >> 1;
3791 dev_drv->cur_screen->xsize = screen_x * scale_x / 100;
3792 dev_drv->cur_screen->ysize = screen_y * scale_y / 100;
3793 if (inf->disp_mode == ONE_DUAL) {
3794 var->nonstd &= 0xff;
3795 var->nonstd |= (xpos << 8) + (ypos << 20);
3796 var->grayscale &= 0xff;
3798 (dev_drv->cur_screen->xsize << 8) +
3799 (dev_drv->cur_screen->ysize << 20);
3803 mutex_lock(&dev_drv->win_config);
3804 info->fbops->fb_set_par(info);
3805 dev_drv->ops->cfg_done(dev_drv);
3806 mutex_unlock(&dev_drv->win_config);
3811 #if defined(CONFIG_ION_ROCKCHIP)
3812 static int rk_fb_alloc_buffer_by_ion(struct fb_info *fbi,
3813 struct rk_lcdc_win *win,
3814 unsigned long fb_mem_size)
3816 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3817 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3818 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3819 struct ion_handle *handle;
3820 ion_phys_addr_t phy_addr;
3824 if (dev_drv->iommu_enabled)
3825 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3826 ION_HEAP_SYSTEM_MASK, 0);
3828 handle = ion_alloc(rk_fb->ion_client, (size_t)fb_mem_size, 0,
3829 ION_HEAP_TYPE_DMA_MASK, 0);
3831 if (IS_ERR(handle)) {
3832 dev_err(fbi->device, "failed to ion_alloc:%ld\n",
3837 fb_par->ion_hdl = handle;
3838 win->area[0].dma_buf = ion_share_dma_buf(rk_fb->ion_client, handle);
3839 if (IS_ERR_OR_NULL(win->area[0].dma_buf)) {
3840 pr_info("ion_share_dma_buf() failed\n");
3841 goto err_share_dma_buf;
3843 win->area[0].ion_hdl = handle;
3844 if (dev_drv->prop == PRMRY)
3845 fbi->screen_base = ion_map_kernel(rk_fb->ion_client, handle);
3846 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3847 ret = ion_map_iommu(dev_drv->dev, rk_fb->ion_client, handle,
3848 (unsigned long *)&phy_addr,
3849 (unsigned long *)&len);
3851 ret = ion_phys(rk_fb->ion_client, handle, &phy_addr, &len);
3853 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3854 goto err_share_dma_buf;
3856 fbi->fix.smem_start = phy_addr;
3857 fbi->fix.smem_len = len;
3858 pr_info("alloc_buffer:ion_phy_addr=0x%lx\n", phy_addr);
3862 ion_free(rk_fb->ion_client, handle);
3867 static int rk_fb_alloc_buffer(struct fb_info *fbi)
3869 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
3870 struct rk_fb_par *fb_par = (struct rk_fb_par *)fbi->par;
3871 struct rk_lcdc_driver *dev_drv = fb_par->lcdc_drv;
3872 struct rk_lcdc_win *win = NULL;
3875 unsigned long fb_mem_size;
3876 #if !defined(CONFIG_ION_ROCKCHIP)
3877 dma_addr_t fb_mem_phys;
3880 ion_phys_addr_t phy_addr;
3883 win_id = dev_drv->ops->fb_get_win_id(dev_drv, fbi->fix.id);
3887 win = dev_drv->win[win_id];
3889 if (!strcmp(fbi->fix.id, "fb0")) {
3890 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3891 #if defined(CONFIG_ION_ROCKCHIP)
3892 if (rk_fb_alloc_buffer_by_ion(fbi, win, fb_mem_size) < 0)
3895 fb_mem_virt = dma_alloc_writecombine(fbi->dev, fb_mem_size,
3896 &fb_mem_phys, GFP_KERNEL);
3898 pr_err("%s: Failed to allocate framebuffer\n",
3902 fbi->fix.smem_len = fb_mem_size;
3903 fbi->fix.smem_start = fb_mem_phys;
3904 fbi->screen_base = fb_mem_virt;
3906 memset(fbi->screen_base, 0, fbi->fix.smem_len);
3908 if (dev_drv->prop == EXTEND && dev_drv->iommu_enabled) {
3909 struct rk_lcdc_driver *dev_drv_prmry;
3912 fb_mem_size = get_fb_size(dev_drv->reserved_fb);
3913 #if defined(CONFIG_ION_ROCKCHIP)
3914 dev_drv_prmry = rk_get_prmry_lcdc_drv();
3915 if (dev_drv_prmry == NULL)
3918 dev_drv_prmry->ops->fb_get_win_id(dev_drv_prmry,
3920 if (win_id_prmry < 0)
3924 dev_drv_prmry->win[win_id_prmry]->area[0].ion_hdl;
3926 ion_map_kernel(rk_fb->ion_client,
3928 dev_drv->win[win_id]->area[0].ion_hdl =
3930 if (dev_drv->iommu_enabled && dev_drv->mmu_dev)
3931 ret = ion_map_iommu(dev_drv->dev,
3934 (unsigned long *)&phy_addr,
3935 (unsigned long *)&len);
3937 ret = ion_phys(rk_fb->ion_client,
3941 dev_err(fbi->dev, "ion map to get phy addr failed\n");
3944 fbi->fix.smem_start = phy_addr;
3945 fbi->fix.smem_len = len;
3947 fb_mem_virt = dma_alloc_writecombine(fbi->dev,
3952 pr_err("%s: Failed to allocate framebuffer\n",
3956 fbi->fix.smem_len = fb_mem_size;
3957 fbi->fix.smem_start = fb_mem_phys;
3958 fbi->screen_base = fb_mem_virt;
3961 fbi->fix.smem_start = rk_fb->fb[0]->fix.smem_start;
3962 fbi->fix.smem_len = rk_fb->fb[0]->fix.smem_len;
3963 fbi->screen_base = rk_fb->fb[0]->screen_base;
3967 fbi->screen_size = fbi->fix.smem_len;
3968 fb_par->fb_phy_base = fbi->fix.smem_start;
3969 fb_par->fb_virt_base = fbi->screen_base;
3970 fb_par->fb_size = fbi->fix.smem_len;
3972 pr_info("%s:phy:%lx>>vir:%p>>len:0x%x\n", fbi->fix.id,
3973 fbi->fix.smem_start, fbi->screen_base,
3979 static int rk_release_fb_buffer(struct fb_info *fbi)
3981 /* buffer for fb1 and fb3 are alloc by android */
3982 if (!strcmp(fbi->fix.id, "fb1") || !strcmp(fbi->fix.id, "fb3"))
3984 iounmap(fbi->screen_base);
3985 release_mem_region(fbi->fix.smem_start, fbi->fix.smem_len);
3990 static int init_lcdc_win(struct rk_lcdc_driver *dev_drv,
3991 struct rk_lcdc_win *def_win)
3994 int lcdc_win_num = dev_drv->lcdc_win_num;
3996 for (i = 0; i < lcdc_win_num; i++) {
3997 struct rk_lcdc_win *win = NULL;
3999 win = kzalloc(sizeof(struct rk_lcdc_win), GFP_KERNEL);
4001 dev_err(dev_drv->dev, "kzmalloc for win fail!");
4005 strcpy(win->name, def_win[i].name);
4006 win->id = def_win[i].id;
4007 win->support_3d = def_win[i].support_3d;
4008 win->property.feature = def_win[i].property.feature;
4009 win->property.max_input_x = def_win[i].property.max_input_x;
4010 win->property.max_input_y = def_win[i].property.max_input_y;
4011 dev_drv->win[i] = win;
4017 static int init_lcdc_device_driver(struct rk_fb *rk_fb,
4018 struct rk_lcdc_win *def_win, int index)
4020 struct rk_lcdc_driver *dev_drv = rk_fb->lcdc_dev_drv[index];
4021 struct rk_screen *screen = devm_kzalloc(dev_drv->dev,
4022 sizeof(struct rk_screen),
4027 dev_err(dev_drv->dev, "malloc screen for lcdc%d fail!",
4032 screen->screen_id = 0;
4033 screen->lcdc_id = dev_drv->id;
4034 screen->overscan.left = 100;
4035 screen->overscan.top = 100;
4036 screen->overscan.right = 100;
4037 screen->overscan.bottom = 100;
4039 screen->x_mirror = dev_drv->rotate_mode & X_MIRROR;
4040 screen->y_mirror = dev_drv->rotate_mode & Y_MIRROR;
4042 dev_drv->screen0 = screen;
4043 dev_drv->cur_screen = screen;
4044 /* devie use one lcdc + rk61x scaler for dual display */
4045 if ((rk_fb->disp_mode == ONE_DUAL) || (rk_fb->disp_mode == NO_DUAL)) {
4046 struct rk_screen *screen1 =
4047 devm_kzalloc(dev_drv->dev,
4048 sizeof(struct rk_screen),
4051 dev_err(dev_drv->dev, "malloc screen1 for lcdc%d fail!",
4055 screen1->screen_id = 1;
4056 screen1->lcdc_id = 1;
4057 dev_drv->screen1 = screen1;
4059 sprintf(dev_drv->name, "lcdc%d", dev_drv->id);
4060 init_lcdc_win(dev_drv, def_win);
4061 init_completion(&dev_drv->frame_done);
4062 spin_lock_init(&dev_drv->cpl_lock);
4063 mutex_init(&dev_drv->fb_win_id_mutex);
4064 mutex_init(&dev_drv->win_config);
4065 mutex_init(&dev_drv->front_lock);
4066 mutex_init(&dev_drv->switch_screen);
4067 dev_drv->ops->fb_win_remap(dev_drv, dev_drv->fb_win_map);
4068 dev_drv->first_frame = 1;
4069 dev_drv->overscan.left = 100;
4070 dev_drv->overscan.top = 100;
4071 dev_drv->overscan.right = 100;
4072 dev_drv->overscan.bottom = 100;
4073 for (i = 0; i < RK30_MAX_LAYER_SUPPORT; i++)
4074 dev_drv->area_support[i] = 1;
4075 if (dev_drv->ops->area_support_num)
4076 dev_drv->ops->area_support_num(dev_drv, dev_drv->area_support);
4077 rk_disp_pwr_ctr_parse_dt(dev_drv);
4078 if (dev_drv->prop == PRMRY) {
4079 rk_fb_set_prmry_screen(screen);
4080 rk_fb_get_prmry_screen(screen);
4082 dev_drv->trsm_ops = rk_fb_trsm_ops_get(screen->type);
4083 if (dev_drv->prop != PRMRY)
4084 rk_fb_get_extern_screen(screen);
4085 dev_drv->output_color = screen->color_mode;
4090 #ifdef CONFIG_LOGO_LINUX_BMP
4091 static struct linux_logo *bmp_logo;
4092 static int fb_prewine_bmp_logo(struct fb_info *info, int rotate)
4094 bmp_logo = fb_find_logo(24);
4095 if (bmp_logo == NULL) {
4096 pr_info("%s error\n", __func__);
4102 static void fb_show_bmp_logo(struct fb_info *info, int rotate)
4104 unsigned char *src = bmp_logo->data;
4105 unsigned char *dst = info->screen_base;
4107 unsigned int needwidth = (*(src - 24) << 8) | (*(src - 23));
4108 unsigned int needheight = (*(src - 22) << 8) | (*(src - 21));
4110 for (i = 0; i < needheight; i++)
4111 memcpy(dst + info->var.xres * i * 4,
4112 src + bmp_logo->width * i * 4, needwidth * 4);
4117 * check if the primary lcdc has registered,
4118 * the primary lcdc mas register first
4120 bool is_prmry_rk_lcdc_registered(void)
4122 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4124 if (rk_fb->lcdc_dev_drv[0])
4130 __weak phys_addr_t uboot_logo_base;
4131 __weak phys_addr_t uboot_logo_size;
4132 __weak phys_addr_t uboot_logo_offset;
4134 int rk_fb_register(struct rk_lcdc_driver *dev_drv,
4135 struct rk_lcdc_win *win, int id)
4137 struct rk_fb *rk_fb = platform_get_drvdata(fb_pdev);
4138 struct fb_info *fbi;
4139 struct rk_fb_par *fb_par = NULL;
4140 int i = 0, ret = 0, index = 0;
4141 unsigned long flags;
4142 char time_line_name[16];
4144 if (rk_fb->num_lcdc == RK30_MAX_LCDC_SUPPORT)
4147 for (i = 0; i < RK30_MAX_LCDC_SUPPORT; i++) {
4148 if (!rk_fb->lcdc_dev_drv[i]) {
4149 rk_fb->lcdc_dev_drv[i] = dev_drv;
4150 rk_fb->lcdc_dev_drv[i]->id = id;
4157 init_lcdc_device_driver(rk_fb, win, index);
4158 dev_drv->fb_index_base = rk_fb->num_fb;
4159 for (i = 0; i < dev_drv->lcdc_win_num; i++) {
4160 fbi = framebuffer_alloc(0, &fb_pdev->dev);
4162 dev_err(&fb_pdev->dev, "fb framebuffer_alloc fail!");
4165 fb_par = devm_kzalloc(&fb_pdev->dev, sizeof(struct rk_fb_par),
4168 dev_err(&fb_pdev->dev, "malloc fb_par for fb%d fail!",
4172 fb_par->id = rk_fb->num_fb;
4173 fb_par->lcdc_drv = dev_drv;
4174 fbi->par = (void *)fb_par;
4177 sprintf(fbi->fix.id, "fb%d", rk_fb->num_fb);
4178 fb_videomode_to_var(&fbi->var, &dev_drv->cur_screen->mode);
4179 fbi->var.width = dev_drv->cur_screen->width;
4180 fbi->var.height = dev_drv->cur_screen->height;
4181 fbi->var.grayscale |=
4182 (fbi->var.xres << 8) + (fbi->var.yres << 20);
4183 #if defined(CONFIG_LOGO_LINUX_BMP)
4184 fbi->var.bits_per_pixel = 32;
4186 fbi->var.bits_per_pixel = 16;
4188 fbi->fix.line_length =
4189 (fbi->var.xres_virtual) * (fbi->var.bits_per_pixel >> 3);
4190 fbi->var.width = dev_drv->cur_screen->width;
4191 fbi->var.height = dev_drv->cur_screen->height;
4192 if (dev_drv->iommu_enabled)
4193 fb_ops.fb_mmap = rk_fb_mmap;
4194 fbi->fbops = &fb_ops;
4195 fbi->flags = FBINFO_FLAG_DEFAULT;
4196 fbi->pseudo_palette = dev_drv->win[i]->pseudo_pal;
4197 ret = register_framebuffer(fbi);
4199 dev_err(&fb_pdev->dev,
4200 "%s fb%d register_framebuffer fail!\n",
4201 __func__, rk_fb->num_fb);
4204 rkfb_create_sysfs(fbi);
4205 rk_fb->fb[rk_fb->num_fb] = fbi;
4206 dev_info(fbi->dev, "rockchip framebuffer registerd:%s\n",
4211 init_waitqueue_head(&dev_drv->vsync_info.wait);
4212 init_waitqueue_head(&dev_drv->update_regs_wait);
4213 ret = device_create_file(fbi->dev, &dev_attr_vsync);
4216 "failed to create vsync file\n");
4217 dev_drv->vsync_info.thread =
4218 kthread_run(rk_fb_wait_for_vsync_thread, dev_drv,
4220 if (dev_drv->vsync_info.thread == ERR_PTR(-ENOMEM)) {
4222 "failed to run vsync thread\n");
4223 dev_drv->vsync_info.thread = NULL;
4225 dev_drv->vsync_info.active = 1;
4227 mutex_init(&dev_drv->output_lock);
4229 INIT_LIST_HEAD(&dev_drv->update_regs_list);
4230 INIT_LIST_HEAD(&dev_drv->saved_list);
4231 mutex_init(&dev_drv->update_regs_list_lock);
4232 init_kthread_worker(&dev_drv->update_regs_worker);
4234 dev_drv->update_regs_thread =
4235 kthread_run(kthread_worker_fn,
4236 &dev_drv->update_regs_worker, "rk-fb");
4237 if (IS_ERR(dev_drv->update_regs_thread)) {
4238 int err = PTR_ERR(dev_drv->update_regs_thread);
4240 dev_drv->update_regs_thread = NULL;
4241 pr_info("failed to run update_regs thread\n");
4244 init_kthread_work(&dev_drv->update_regs_work,
4245 rk_fb_update_regs_handler);
4247 snprintf(time_line_name, sizeof(time_line_name),
4248 "vop%d-timeline", id);
4250 sw_sync_timeline_create(time_line_name);
4251 dev_drv->timeline_max = 1;
4255 /* show logo for primary display device */
4256 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE)
4257 if (dev_drv->prop == PRMRY) {
4261 struct fb_info *main_fbi = rk_fb->fb[0];
4263 main_fbi->fbops->fb_open(main_fbi, 1);
4264 main_fbi->var.pixclock = dev_drv->pixclock;
4265 if (dev_drv->iommu_enabled) {
4266 if (dev_drv->mmu_dev)
4267 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4268 rk_fb_sysmmu_fault_handler);
4271 rk_fb_alloc_buffer(main_fbi); /* only alloc memory for main fb */
4272 dev_drv->uboot_logo = support_uboot_display();
4274 if (dev_drv->uboot_logo &&
4275 uboot_logo_offset && uboot_logo_base) {
4276 int width, height, bits, xvir;
4277 phys_addr_t start = uboot_logo_base + uboot_logo_offset;
4278 unsigned int size = uboot_logo_size - uboot_logo_offset;
4279 unsigned int nr_pages;
4281 struct page **pages;
4285 if (dev_drv->ops->get_dspbuf_info)
4286 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4287 &yact, &format, &dsp_addr, &ymirror);
4288 nr_pages = size >> PAGE_SHIFT;
4289 pages = kzalloc(sizeof(struct page) * nr_pages,
4291 while (i < nr_pages) {
4292 pages[i] = phys_to_page(start);
4296 vaddr = vmap(pages, nr_pages, VM_MAP,
4297 pgprot_writecombine(PAGE_KERNEL));
4299 pr_err("failed to vmap phy addr 0x%lx\n",
4300 (long)(uboot_logo_base +
4301 uboot_logo_offset));
4305 if (bmpdecoder(vaddr, main_fbi->screen_base, &width,
4313 if (dev_drv->uboot_logo &&
4314 (width != xact || height != yact)) {
4315 pr_err("can't support uboot kernel logo use different size [%dx%d] != [%dx%d]\n",
4316 xact, yact, width, height);
4319 xvir = ALIGN(width * bits, 1 << 5) >> 5;
4321 local_irq_save(flags);
4322 if (dev_drv->ops->wait_frame_start)
4323 dev_drv->ops->wait_frame_start(dev_drv, 0);
4324 if (dev_drv->ops->post_dspbuf) {
4325 dev_drv->ops->post_dspbuf(dev_drv,
4326 main_fbi->fix.smem_start,
4327 rk_fb_data_fmt(0, bits),
4328 width, height, xvir,
4331 if (dev_drv->iommu_enabled) {
4332 rk_fb_poll_wait_frame_complete();
4333 if (dev_drv->ops->mmu_en)
4334 dev_drv->ops->mmu_en(dev_drv);
4337 local_irq_restore(flags);
4339 } else if (dev_drv->uboot_logo && uboot_logo_base) {
4340 u32 start = uboot_logo_base;
4341 int logo_len, i = 0;
4343 unsigned int nr_pages;
4344 struct page **pages;
4346 int align = 0, xvir;
4348 dev_drv->ops->get_dspbuf_info(dev_drv, &xact,
4352 logo_len = rk_fb_pixel_width(format) * xact * yact >> 3;
4353 if (logo_len > uboot_logo_size ||
4354 logo_len > main_fbi->fix.smem_len) {
4355 pr_err("logo size > uboot reserve buffer size\n");
4361 align = start % PAGE_SIZE;
4363 nr_pages = PAGE_ALIGN(logo_len + align) >> PAGE_SHIFT;
4364 pages = kzalloc(sizeof(struct page) * nr_pages,
4366 while (i < nr_pages) {
4367 pages[i] = phys_to_page(start);
4371 vaddr = vmap(pages, nr_pages, VM_MAP,
4372 pgprot_writecombine(PAGE_KERNEL));
4374 pr_err("failed to vmap phy addr 0x%x\n",
4379 memcpy(main_fbi->screen_base, vaddr + align, logo_len);
4383 xvir = ALIGN(xact * rk_fb_pixel_width(format),
4385 local_irq_save(flags);
4386 if (dev_drv->ops->wait_frame_start)
4387 dev_drv->ops->wait_frame_start(dev_drv, 0);
4388 dev_drv->ops->post_dspbuf(dev_drv,
4389 main_fbi->fix.smem_start +
4390 (y_mirror ? logo_len : 0),
4394 if (dev_drv->iommu_enabled) {
4395 rk_fb_poll_wait_frame_complete();
4396 if (dev_drv->ops->mmu_en)
4397 dev_drv->ops->mmu_en(dev_drv);
4400 local_irq_restore(flags);
4403 if (dev_drv->iommu_enabled) {
4404 if (dev_drv->ops->mmu_en)
4405 dev_drv->ops->mmu_en(dev_drv);
4409 #if defined(CONFIG_LOGO)
4410 main_fbi->fbops->fb_set_par(main_fbi);
4411 #if defined(CONFIG_LOGO_LINUX_BMP)
4412 if (fb_prewine_bmp_logo(main_fbi, FB_ROTATE_UR)) {
4413 fb_set_cmap(&main_fbi->cmap, main_fbi);
4414 fb_show_bmp_logo(main_fbi, FB_ROTATE_UR);
4417 if (fb_prepare_logo(main_fbi, FB_ROTATE_UR)) {
4418 fb_set_cmap(&main_fbi->cmap, main_fbi);
4419 fb_show_logo(main_fbi, FB_ROTATE_UR);
4422 main_fbi->fbops->fb_pan_display(&main_fbi->var, main_fbi);
4425 struct fb_info *extend_fbi = rk_fb->fb[dev_drv->fb_index_base];
4427 extend_fbi->var.pixclock = rk_fb->fb[0]->var.pixclock;
4428 if (rk_fb->disp_mode == DUAL_LCD) {
4429 extend_fbi->fbops->fb_open(extend_fbi, 1);
4430 if (dev_drv->iommu_enabled) {
4431 if (dev_drv->mmu_dev)
4432 rockchip_iovmm_set_fault_handler(dev_drv->dev,
4433 rk_fb_sysmmu_fault_handler);
4435 rk_fb_alloc_buffer(extend_fbi);
4442 int rk_fb_unregister(struct rk_lcdc_driver *dev_drv)
4444 struct rk_fb *fb_inf = platform_get_drvdata(fb_pdev);
4445 struct fb_info *fbi;
4446 int fb_index_base = dev_drv->fb_index_base;
4447 int fb_num = dev_drv->lcdc_win_num;
4450 if (fb_inf->lcdc_dev_drv[i]->vsync_info.thread) {
4451 fb_inf->lcdc_dev_drv[i]->vsync_info.irq_stop = 1;
4452 kthread_stop(fb_inf->lcdc_dev_drv[i]->vsync_info.thread);
4455 for (i = 0; i < fb_num; i++)
4456 kfree(dev_drv->win[i]);
4458 for (i = fb_index_base; i < (fb_index_base + fb_num); i++) {
4459 fbi = fb_inf->fb[i];
4460 unregister_framebuffer(fbi);
4461 /* rk_release_fb_buffer(fbi); */
4462 framebuffer_release(fbi);
4464 fb_inf->lcdc_dev_drv[dev_drv->id] = NULL;
4470 static int rk_fb_probe(struct platform_device *pdev)
4472 struct rk_fb *rk_fb = NULL;
4473 struct device_node *np = pdev->dev.of_node;
4477 dev_err(&pdev->dev, "Missing device tree node.\n");
4481 rk_fb = devm_kzalloc(&pdev->dev, sizeof(struct rk_fb), GFP_KERNEL);
4483 dev_err(&pdev->dev, "kmalloc for rk fb fail!");
4486 platform_set_drvdata(pdev, rk_fb);
4488 if (!of_property_read_u32(np, "rockchip,disp-mode", &mode)) {
4489 rk_fb->disp_mode = mode;
4492 dev_err(&pdev->dev, "no disp-mode node found!");
4496 if (!of_property_read_u32(np, "rockchip,disp-policy", &mode)) {
4497 rk_fb->disp_policy = mode;
4498 pr_info("fb disp policy is %s\n",
4499 rk_fb->disp_policy ? "box" : "sdk");
4502 if (!of_property_read_u32(np, "rockchip,uboot-logo-on", &uboot_logo_on))
4503 pr_info("uboot-logo-on:%d\n", uboot_logo_on);
4505 dev_set_name(&pdev->dev, "rockchip-fb");
4506 #if defined(CONFIG_ION_ROCKCHIP)
4507 rk_fb->ion_client = rockchip_ion_client_create("rk_fb");
4508 if (IS_ERR(rk_fb->ion_client)) {
4509 dev_err(&pdev->dev, "failed to create ion client for rk fb");
4510 return PTR_ERR(rk_fb->ion_client);
4512 dev_info(&pdev->dev, "rk fb ion client create success!\n");
4517 dev_info(&pdev->dev, "rockchip framebuffer driver probe\n");
4521 static int rk_fb_remove(struct platform_device *pdev)
4523 platform_set_drvdata(pdev, NULL);
4527 static void rk_fb_shutdown(struct platform_device *pdev)
4529 struct rk_fb *rk_fb = platform_get_drvdata(pdev);
4532 for (i = 0; i < rk_fb->num_lcdc; i++) {
4533 if (!rk_fb->lcdc_dev_drv[i])
4535 sw_sync_timeline_inc(rk_fb->lcdc_dev_drv[i]->timeline, 1);
4539 static const struct of_device_id rkfb_dt_ids[] = {
4540 {.compatible = "rockchip,rk-fb",},
4544 static struct platform_driver rk_fb_driver = {
4545 .probe = rk_fb_probe,
4546 .remove = rk_fb_remove,
4549 .owner = THIS_MODULE,
4550 .of_match_table = of_match_ptr(rkfb_dt_ids),
4552 .shutdown = rk_fb_shutdown,
4555 static int __init rk_fb_init(void)
4557 return platform_driver_register(&rk_fb_driver);
4560 static void __exit rk_fb_exit(void)
4562 platform_driver_unregister(&rk_fb_driver);
4565 fs_initcall(rk_fb_init);
4566 module_exit(rk_fb_exit);